CINXE.COM
Powerful & Reliable Email API Service | Postmark
<div class="alert alert--info alert--centered" id="alert-346478"> <div class="u-container alert_container"> <div class="alert_message"> <strong>Grow with us: Join Postmark's new referral partner program and start earning</strong> </div> <div class="alert_actions"> <a href="https://postmarkapp.com/lp/referral-partner-program" target="_blank" class="cta-btn cta-btn--inverted">Learn more</a> </div> </div> <a href="#" class="alert_dismiss" data-id="346478">x</a> </div> <!doctype html> <html lang="en" class="no-js"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title> Powerful & Reliable Email API Service | Postmark </title> <meta name="description" content="Easy integration, reliable delivery, great documentation: integrate with the email API that developers love and start sending in minutes."> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta name="globalsign-domain-verification" content="F0n5fUwYguswb99EGyC5qD87O15uv5VBUiX9yRrxX6"> <meta name="theme-color" content="#FFDE00"> <script>dataLayer = [{'siteType': 'landing', 'visitorIP': '8.222.208.146', 'doNotTrack': 0 }];</script> <link href="https://postmarkapp.com/dist/css/core.233bca689f85085cd63f.css" rel="stylesheet"> <link href="https://postmarkapp.com/dist/css/postmark.a8d5a5af7491033cd10b.css" rel="stylesheet"> <link rel="dns-prefetch" href="https://ssl.google-analytics.com"> <link rel="dns-prefetch" href="https://www.google-analytics.com"> <link rel="shortcut icon" href="/images/favicon.ico"> <link rel="apple-touch-icon" href="/images/apple-touch-icon.png"> <link rel="canonical" href="https://postmarkapp.com/email-api"> <meta property="og:url" content="https://postmarkapp.com/email-api"> <meta property="og:type" content="article"> <meta property="fb:app_id" content="244883355940334"> <meta property="og:title" content="Powerful & Reliable Email API Service"> <meta property="og:description" content="Easy integration, reliable delivery, great documentation: integrate with the email API that developers love and start sending in minutes."> <meta property="og:image" content="https://craft-assets.postmarkapp.com/blog/_facebook/social-why-api-2.png"> <meta property="og:image:type" content="image/png"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="630"> <meta name="twitter:title" content="Powerful & Reliable Email API Service"> <meta name="twitter:description" content="Easy integration, reliable delivery, great documentation: integrate with the email API that developers love and start sending in minutes."> <meta name="twitter:card" content="summary_large_image"> <meta name="twitter:image" content="https://craft-assets.postmarkapp.com/blog/_twitter/5730/social-why-api-2.jpg"> <meta name="twitter:site" content="@postmarkapp"> <meta name="slack-app-id" content="A8LSJN934"> </head> <body> <header class="header "> <div class="u-container header_container"> <div class="header_branding"> <a href="https://postmarkapp.com/" class="header_postmark-logo">Postmark</a> <div class="header_actions"> <a href="https://account.postmarkapp.com/login" class="header_login cta-btn cta-btn--small ">Log In</a> <button class="header_hamburger js-nav-mobile-button" aria-haspopup="true"> <span></span> <span></span> <span></span> </button> </div> </div> <nav class="nav nav--header nav--desktop" role="navigation" aria-label="Main"> <ul class="nav_list"> <li class="nav_item "> <a href="https://postmarkapp.com/why" class="nav_link">Why Postmark?</a> </li> <li class="nav_item nav_item--dropdown nav_item--current"> <button class="nav_link js-nav-popup" aria-haspopup="true" aria-expanded="false" data-target=".js-dropdown-product">Product</button> <div class="nav_dropdown js-dropdown-product"> <div class="nav_dropdown-wrapper nav_dropdown-wrapper--product"> <div class="nav_features"> <h2 class="nav_sub-heading nav_sub-heading--features">Features</h2> <ul class="nav_list"> <li class="nav_item"> <a href="https://postmarkapp.com/email-api" class="nav_link"> <span class="nav_icon nav_icon--email-api"></span> <span class="nav_title">Email API</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/smtp-service" class="nav_link"> <span class="nav_icon nav_icon--smtp"></span> <span class="nav_title">SMTP Service</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/message-streams" class="nav_link"> <span class="nav_icon nav_icon--streams"></span> <span class="nav_title">Message Streams</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/transactional-email" class="nav_link"> <span class="nav_icon nav_icon--transactional"></span> <span class="nav_title">Transactional Email</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/email-delivery" class="nav_link"> <span class="nav_icon nav_icon--delivery"></span> <span class="nav_title">Email Delivery</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/email-templates" class="nav_link"> <span class="nav_icon nav_icon--templates"></span> <span class="nav_title">Email Templates</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/inbound-email" class="nav_link"> <span class="nav_icon nav_icon--inbound"></span> <span class="nav_title">Inbound Email</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/email-analytics" class="nav_link"> <span class="nav_icon nav_icon--insight"></span> <span class="nav_title">Analytics & Retention</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/integrations" class="nav_link"> <span class="nav_icon nav_icon--integrations"></span> <span class="nav_title">Integrations</span> </a> </li> </ul> </div> <div class="nav_sub"> <h2 class="nav_sub-heading"> <span class="nav_icon nav_icon--for"></span> <span class="nav_text">Postmark For</span> </h2> <ul class="nav_list"> <li><a href="https://postmarkapp.com/for/agencies" class="nav_sub-link">Agencies</a></li> <li><a href="https://postmarkapp.com/for/enterprise" class="nav_sub-link">Enterprise</a></li> <li><a href="https://postmarkapp.com/for/startups" class="nav_sub-link">Startups</a></li> <li><a href="https://postmarkapp.com/for/bootstrapped-startups" class="nav_sub-link">Bootstrapped Startups</a></li> <li><a href="https://postmarkapp.com/for/side-projects" class="nav_sub-link">Side Projects</a></li> </ul> <h2 class="nav_sub-heading u-pad-top--xs"> <span class="nav_icon nav_icon--versus"></span> <span class="nav_text">Postmark vs.</span> </h2> <ul class="nav_list"> <li><a href="https://postmarkapp.com/compare/sendgrid-alternative" class="nav_sub-link">SendGrid</a></li> <li><a href="https://postmarkapp.com/compare/mailgun-alternative" class="nav_sub-link">Mailgun</a></li> <li><a href="https://postmarkapp.com/compare/amazon-ses-alternative" class="nav_sub-link">Amazon SES</a></li> <li><a href="https://postmarkapp.com/compare/sparkpost-alternative" class="nav_sub-link">SparkPost</a></li> <li><a href="https://postmarkapp.com/compare/mandrill-alternative" class="nav_sub-link">Mandrill</a></li> </ul> </div> </div> </div> </li> <li class="nav_item"> <a href="https://postmarkapp.com/pricing" class="nav_link">Pricing</a> </li> <li class="nav_item nav_item--dropdown"> <button class="nav_link js-nav-popup" aria-haspopup="true" aria-expanded="false" data-target=".js-dropdown-resources">Resources</button> <div class="nav_dropdown js-dropdown-resources"> <div class="nav_dropdown-wrapper"> <ul class="nav_list"> <li class="nav_item"> <a href="https://postmarkapp.com/blog" class="nav_link"> <span class="nav_icon nav_icon--blog"></span> <span class="nav_title">Blog</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/developer" class="nav_link"> <span class="nav_icon nav_icon--api-docs"></span> <span class="nav_title">API Documentation</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/manual" class="nav_link"> <span class="nav_icon nav_icon--manual"></span> <span class="nav_title">Getting Started</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/guides" class="nav_link"> <span class="nav_icon nav_icon--guides"></span> <span class="nav_title">Email Guides</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/postmark-express" class="nav_link"> <span class="nav_icon nav_icon--comic"></span> <span class="nav_title">Email Comic</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/webinars" class="nav_link"> <span class="nav_icon nav_icon--webinars"></span> <span class="nav_title">Webinars</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/videos" class="nav_link"> <span class="nav_icon nav_icon--videos"></span> <span class="nav_title">Videos</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/podcast" class="nav_link"> <span class="nav_icon nav_icon--podcast"></span> <span class="nav_title">Podcast</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/labs" class="nav_link"> <span class="nav_icon nav_icon--labs"></span> <span class="nav_title">Labs</span> </a> </li> <li class="nav_item"> <a href="https://dmarcdigests.com" target="_blank" rel="noopener" class="nav_link"> <span class="nav_icon nav_icon--dmarc"></span> <span class="nav_title">DMARC Digests</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/glossary" class="nav_link"> <span class="nav_icon nav_icon--glossary"></span> <span class="nav_title">Glossary</span> </a> </li> </ul> </div> </div> </li> <li class="nav_item nav_item--dropdown"> <button class="nav_link js-nav-popup" aria-haspopup="true" aria-expanded="false" data-target=".js-dropdown-help">Help</button> <div class="nav_dropdown js-dropdown-help"> <div class="nav_dropdown-wrapper"> <ul class="nav_list"> <li class="nav_item"> <a href="https://postmarkapp.com/support" class="nav_link"> <span class="nav_icon nav_icon--support"></span> <span class="nav_title">Support Center</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/contact" class="nav_link"> <span class="nav_icon nav_icon--contact"></span> <span class="nav_title">Contact Support</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/talk-to-sales" class="nav_link"> <span class="nav_icon nav_icon--contact-sales"></span> <span class="nav_title">Talk to Sales</span> </a> </li> <li class="nav_item"> <a href="https://status.postmarkapp.com/" target="_blank" rel="noopener noreferrer" class="nav_link"> <span class="nav_icon nav_icon--status"></span> <span class="nav_title">Status</span> </a> </li> </ul> </div> </div> </li> <li class="nav_item nav_item--btn"> <a href="https://account.postmarkapp.com/login" id="nav-btn-log-in" class="nav_btn cta-btn ">Log in</a> </li> <li class="nav_item nav_item--btn"> <a href="https://account.postmarkapp.com/sign_up" id="nav-btn-signup" class="nav_btn cta-btn cta-btn--default js-signup" data-track="Click" data-category="Signup Button" data-label="Header">Start free trial</a> </li> </ul> </nav> <div class="nav-mobile js-nav-mobile hidden--at-l-2"> <img src="/images/logo-stamp-simple.svg" class="nav-mobile_logo" /> <nav class="nav nav--header nav--mobile" role="navigation" aria-label="Main"> <ul class="nav_list"> <li class="nav_item "> <a href="https://postmarkapp.com/why" class="nav_link">Why Postmark?</a> </li> <li class="nav_item nav_item--dropdown nav_item--current"> <button class="nav_link js-nav-popup" aria-haspopup="true" aria-expanded="false" data-target=".js-dropdown-product">Product</button> <div class="nav_dropdown js-dropdown-product"> <div class="nav_dropdown-wrapper nav_dropdown-wrapper--product"> <div class="nav_features"> <h2 class="nav_sub-heading nav_sub-heading--features">Features</h2> <ul class="nav_list"> <li class="nav_item"> <a href="https://postmarkapp.com/email-api" class="nav_link"> <span class="nav_icon nav_icon--email-api"></span> <span class="nav_title">Email API</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/smtp-service" class="nav_link"> <span class="nav_icon nav_icon--smtp"></span> <span class="nav_title">SMTP Service</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/message-streams" class="nav_link"> <span class="nav_icon nav_icon--streams"></span> <span class="nav_title">Message Streams</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/transactional-email" class="nav_link"> <span class="nav_icon nav_icon--transactional"></span> <span class="nav_title">Transactional Email</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/email-delivery" class="nav_link"> <span class="nav_icon nav_icon--delivery"></span> <span class="nav_title">Email Delivery</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/email-templates" class="nav_link"> <span class="nav_icon nav_icon--templates"></span> <span class="nav_title">Email Templates</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/inbound-email" class="nav_link"> <span class="nav_icon nav_icon--inbound"></span> <span class="nav_title">Inbound Email</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/email-analytics" class="nav_link"> <span class="nav_icon nav_icon--insight"></span> <span class="nav_title">Analytics & Retention</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/integrations" class="nav_link"> <span class="nav_icon nav_icon--integrations"></span> <span class="nav_title">Integrations</span> </a> </li> </ul> </div> <div class="nav_sub"> <h2 class="nav_sub-heading"> <span class="nav_icon nav_icon--for"></span> <span class="nav_text">Postmark For</span> </h2> <ul class="nav_list"> <li><a href="https://postmarkapp.com/for/agencies" class="nav_sub-link">Agencies</a></li> <li><a href="https://postmarkapp.com/for/enterprise" class="nav_sub-link">Enterprise</a></li> <li><a href="https://postmarkapp.com/for/startups" class="nav_sub-link">Startups</a></li> <li><a href="https://postmarkapp.com/for/bootstrapped-startups" class="nav_sub-link">Bootstrapped Startups</a></li> <li><a href="https://postmarkapp.com/for/side-projects" class="nav_sub-link">Side Projects</a></li> </ul> <h2 class="nav_sub-heading u-pad-top--xs"> <span class="nav_icon nav_icon--versus"></span> <span class="nav_text">Postmark vs.</span> </h2> <ul class="nav_list"> <li><a href="https://postmarkapp.com/compare/sendgrid-alternative" class="nav_sub-link">SendGrid</a></li> <li><a href="https://postmarkapp.com/compare/mailgun-alternative" class="nav_sub-link">Mailgun</a></li> <li><a href="https://postmarkapp.com/compare/amazon-ses-alternative" class="nav_sub-link">Amazon SES</a></li> <li><a href="https://postmarkapp.com/compare/sparkpost-alternative" class="nav_sub-link">SparkPost</a></li> <li><a href="https://postmarkapp.com/compare/mandrill-alternative" class="nav_sub-link">Mandrill</a></li> </ul> </div> </div> </div> </li> <li class="nav_item"> <a href="https://postmarkapp.com/pricing" class="nav_link">Pricing</a> </li> <li class="nav_item nav_item--dropdown"> <button class="nav_link js-nav-popup" aria-haspopup="true" aria-expanded="false" data-target=".js-dropdown-resources">Resources</button> <div class="nav_dropdown js-dropdown-resources"> <div class="nav_dropdown-wrapper"> <ul class="nav_list"> <li class="nav_item"> <a href="https://postmarkapp.com/blog" class="nav_link"> <span class="nav_icon nav_icon--blog"></span> <span class="nav_title">Blog</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/developer" class="nav_link"> <span class="nav_icon nav_icon--api-docs"></span> <span class="nav_title">API Documentation</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/manual" class="nav_link"> <span class="nav_icon nav_icon--manual"></span> <span class="nav_title">Getting Started</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/guides" class="nav_link"> <span class="nav_icon nav_icon--guides"></span> <span class="nav_title">Email Guides</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/postmark-express" class="nav_link"> <span class="nav_icon nav_icon--comic"></span> <span class="nav_title">Email Comic</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/webinars" class="nav_link"> <span class="nav_icon nav_icon--webinars"></span> <span class="nav_title">Webinars</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/videos" class="nav_link"> <span class="nav_icon nav_icon--videos"></span> <span class="nav_title">Videos</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/podcast" class="nav_link"> <span class="nav_icon nav_icon--podcast"></span> <span class="nav_title">Podcast</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/labs" class="nav_link"> <span class="nav_icon nav_icon--labs"></span> <span class="nav_title">Labs</span> </a> </li> <li class="nav_item"> <a href="https://dmarcdigests.com" target="_blank" rel="noopener" class="nav_link"> <span class="nav_icon nav_icon--dmarc"></span> <span class="nav_title">DMARC Digests</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/glossary" class="nav_link"> <span class="nav_icon nav_icon--glossary"></span> <span class="nav_title">Glossary</span> </a> </li> </ul> </div> </div> </li> <li class="nav_item nav_item--dropdown"> <button class="nav_link js-nav-popup" aria-haspopup="true" aria-expanded="false" data-target=".js-dropdown-help">Help</button> <div class="nav_dropdown js-dropdown-help"> <div class="nav_dropdown-wrapper"> <ul class="nav_list"> <li class="nav_item"> <a href="https://postmarkapp.com/support" class="nav_link"> <span class="nav_icon nav_icon--support"></span> <span class="nav_title">Support Center</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/contact" class="nav_link"> <span class="nav_icon nav_icon--contact"></span> <span class="nav_title">Contact Support</span> </a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/talk-to-sales" class="nav_link"> <span class="nav_icon nav_icon--contact-sales"></span> <span class="nav_title">Talk to Sales</span> </a> </li> <li class="nav_item"> <a href="https://status.postmarkapp.com/" target="_blank" rel="noopener noreferrer" class="nav_link"> <span class="nav_icon nav_icon--status"></span> <span class="nav_title">Status</span> </a> </li> </ul> </div> </div> </li> <li class="nav_item nav_item--btn"> <a href="https://account.postmarkapp.com/login" id="nav-btn-log-in" class="nav_btn cta-btn ">Log in</a> </li> <li class="nav_item nav_item--btn"> <a href="https://account.postmarkapp.com/sign_up" id="nav-btn-signup" class="nav_btn cta-btn cta-btn--default js-signup" data-track="Click" data-category="Signup Button" data-label="Header">Start free trial</a> </li> </ul> </nav> <div class="nav-mobile_extras"> <a href="https://account.postmarkapp.com/sign_up" class="cta-btn cta-btn--default cta-btn--medium js-signup" data-track="Click" data-category="Signup Button" data-label="Header (Mobile)">Start free trial</a> <p class="nav-mobile_login">Already have an account? <a href="https://account.postmarkapp.com/login">Log in →</a></p> </div> </div> </div> </header> <div class="page u-clearfix"> <header class="hero hero--header"> <div class="u-container"> <div class="hero_icon"> <img src="/images/api.svg" alt="Email API" style="max-width:105px;"> </div> <h1 class="hero_title hero_title--full title-hero">A powerful email API to make email sending a breeze </h1> <p class="hero_desc hero_desc--half">Easy integration, reliable delivery, great documentation: integrate with the email API that developers love and start sending in minutes.</p> <a href="https://account.postmarkapp.com/sign_up" class="cta-btn cta-btn--default cta-btn--large js-signup" data-track="Click" data-category="Signup Button" data-label="Home Page Feature"> <span class="cta-btn_label">Get started—it’s free</span> </a> <a href="/developer" class="cta-secondary">API documentation →</a> </div> </header> <div class="u-container"> <article class="reason"> <div class="reason_body"> <section class="reason_section-text"> <div class="reason_section-text-content"> <h2>Start sending with Postmark’s email API in minutes</h2> <p>Integrating email into your product doesn’t have to be a pain. With our powerful RESTful email APIs and robust <a href="/developer/integration/official-libraries" title="Official Postmark Libraries" target="_blank">libraries</a> in pretty much every programming language, integrating email is fast and easy—whether you’re sending transactional or bulk email.</p> <p>Simpler applications can also use our reliable <a href="/smtp-service" title="Postmark SMTP service">SMTP service</a>.</p> <p> </p> </div> </section> <div class="reason_visual"> <div class="reason_figure"> <ul class="library-logos"> <li class="library-logos_logo library-logos_logo--ruby">Ruby</li> <li class="library-logos_logo library-logos_logo--rails">Rails</li> <li class="library-logos_logo library-logos_logo--net">.NET</li> <li class="library-logos_logo library-logos_logo--php">PHP</li> <li class="library-logos_logo library-logos_logo--node">Node</li> </ul> <div class="code-snippets tabs "> <div class="tabs_item"> <input type="radio" class="tabs_radio" name="tabs-code-snippets" id="tab-php" checked /> <label class="tabs_label" for="tab-php">PHP</label> <div class="tabs_content"> <pre><code class="language-php"> // Send an email with the Postmark-PHP library // Learn more -> <a href="https://postmarkapp.com/developer/integration/official-libraries#php" target="_blank">https://postmarkapp.com/developer/integration/official-libraries#php</a> // Install with composer composer require wildbit/postmark-php // Import use Postmark\PostmarkClient; // Example request $client = new PostmarkClient("server token"); $sendResult = $client->sendEmail( "sender@example.com", "receiver@example.com", "Hello from Postmark!", "This is just a friendly 'hello' from your friends at Postmark." ); </code></pre> </div> </div> <div class="tabs_item"> <input type="radio" class="tabs_radio" name="tabs-code-snippets" id="tab-ruby" /> <label class="tabs_label" for="tab-ruby">Ruby</label> <div class="tabs_content"> <pre><code class="language-ruby"> # Send an email with the Postmark Ruby Gem # Learn more -> <a href="https://postmarkapp.com/developer/integration/official-libraries#ruby-gem" target="_blank">https://postmarkapp.com/developer/integration/official-libraries#ruby-gem</a> # Add the Postmark Ruby Gem to your Gemfile gem 'postmark' # Require gem require 'postmark' # Create an instance of Postmark::ApiClient client = Postmark::ApiClient.new('POSTMARK_API_TEST') # Example request client.deliver( from: 'sender@example.com', to: 'receiver@example.com', subject: 'Hello from Postmark', html_body: '<strong>Hello</strong> dear Postmark user.', track_opens: true ) </code></pre> </div> </div> <div class="tabs_item"> <input type="radio" class="tabs_radio" name="tabs-code-snippets" id="tab-rails" /> <label class="tabs_label" for="tab-rails">Rails</label> <div class="tabs_content"> <pre><code class="language-ruby"> # Send an email with the Postmark Rails Gem # Learn more -> <a href="https://postmarkapp.com/developer/integration/official-libraries#rails-gem" target="_blank">https://postmarkapp.com/developer/integration/official-libraries#rails-gem</a> # Add this to your gemfile gem 'postmark-rails' # Add this to your config/application.rb file: config.action_mailer.delivery_method = :postmark config.action_mailer.postmark_settings = { :api_token => "POSTMARK_API_TEST" } # Send the email class TestMailer < ActionMailer::Base def hello mail( :subject => 'Hello from Postmark', :to => 'receiver@example.com', :from => 'sender@example.com', :html_body => '<strong>Hello</strong> dear Postmark user.', :track_opens => 'true' ) end end </code></pre> </div> </div> <div class="tabs_item"> <input type="radio" class="tabs_radio" name="tabs-code-snippets" id="tab-python" /> <label class="tabs_label" for="tab-python">Python</label> <div class="tabs_content"> <pre><code class="language-python"> # Send an email with the Postmark Python library # Learn more -> <a href="https://postmarkapp.com/send-email/python" target="_blank">https://postmarkapp.com/send-email/python</a> # Install the Postmark Python library with pip from the command line: pip install postmarker # Import from postmarker.core import PostmarkClient # Create an instance of the Postmark client postmark = PostmarkClient(server_token='POSTMARK-SERVER-API-TOKEN-HERE') # Send an email postmark.emails.send( From='sender@example.com', To='recipient@example.com', Subject='Postmark test', HtmlBody='HTML body goes here' ) </code></pre> </div> </div> <div class="tabs_item"> <input type="radio" class="tabs_radio" name="tabs-code-snippets" id="tab-csharp" /> <label class="tabs_label" for="tab-csharp">C#</label> <div class="tabs_content"> <pre><code class="language-csharp"> // Send an email with the Postmark .NET library // Learn more -> <a href="https://postmarkapp.com/developer/integration/official-libraries#dot-net" target="_blank">https://postmarkapp.com/developer/integration/official-libraries#dot-net</a> // Install with NuGet PM> Install-Package Postmark // Import using PostmarkDotNet; // Example request PostmarkMessage message = new PostmarkMessage { From = "sender@example.com", To = "receiver@example.com", Subject = "Hello from Postmark", HtmlBody = "<strong>Hello</strong> dear Postmark user.", TextBody = "Hello dear postmark user.", ReplyTo = "reply@example.com", TrackOpens = true, Headers = new NameValueCollection {{ "CUSTOM-HEADER", "value" }} }; PostmarkClient client = new PostmarkClient("POSTMARK_API_TEST"); PostmarkResponse response = client.SendMessage(message); if(response.Status != PostmarkStatus.Success) { Console.WriteLine("Response was: " + response.Message); } </code></pre> </div> </div> <div class="tabs_item"> <input type="radio" class="tabs_radio" name="tabs-code-snippets" id="tab-nodejs" /> <label class="tabs_label" for="tab-nodejs">Node.js</label> <div class="tabs_content"> <pre><code class="language-js"> // Send an email with the Postmark.js library // Learn more -> <a href="https://postmarkapp.com/developer/integration/official-libraries#node-js" target="_blank">https://postmarkapp.com/developer/integration/official-libraries#node-js</a> // Install with npm npm install postmark --save // Require var postmark = require("postmark"); // Example request var client = new postmark.ServerClient("server token"); client.sendEmail({ "From": "sender@example.com", "To": "receiver@example.com", "Subject": "Test", "TextBody": "Hello from Postmark!" }); </code></pre> </div> </div> <div class="tabs_item"> <input type="radio" class="tabs_radio" name="tabs-code-snippets" id="tab-curl" /> <label class="tabs_label" for="tab-curl">curl</label> <div class="tabs_content"> <pre><code class="language-bash"> # Send an email with curl # Copy and paste this into terminal curl "https://api.postmarkapp.com/email" \ -X POST \ -H "Accept: application/json" \ -H "Content-Type: application/json" \ -H "X-Postmark-Server-Token: POSTMARK_API_TEST" \ -d "{From: 'sender@example.com', To: 'receiver@example.com', Subject: 'Hello from Postmark', HtmlBody: '<strong>Hello</strong> dear Postmark user.'}" </code></pre> </div> </div> </div> </div> </div> <div class="reason_visual"> <div class="reason_blockquote"> <blockquote class="customer-quote"> <div class="customer-quote_content"> <p class="customer-quote_text"> It was incredibly easy to setup Postmark. In under 10 minutes I had the first test working and rolling it out to production was just as easy. </p> </div> <aside class="customer-quote_customer"> <div class="story-author story-author--horizontal story-author--small "> <img src="https://craft-assets.postmarkapp.com/customers/_60x60_crop_center-center_none/dave_teare.png" srcset="https://craft-assets.postmarkapp.com/customers/_120x120_crop_center-center_none/dave_teare.png 2x" alt="Dave Teare" class="story-author_photo"> <p class="story-author_data"> <span class="story-author_name">Dave Teare</span> <span class="story-author_role">Founder <span class="story-author_company-logo"> <img src="https://craft-assets.postmarkapp.com/customers/_AUTOx60_fit_center-center_none/1password-logo.png" alt="1Password" height="30" > </span> </span> </p> </div> <a href="https://postmarkapp.com/customers/1password" class="customer-quote_link cta-btn cta-btn--arrow">Read the story</a> </aside> </blockquote> </div> </div> <section class="reason_section-text" id="servers"> <div class="reason_section-text-content"> <h2>Say goodbye to email deliverability issues.</h2> <p>People always say “don’t set it and forget it” but we actually strive to help you do just that. Once you integrate with Postmark, you can count on us to get your emails delivered fast and reliably—so you can go back to building great products. </p> </div> </section> <div class="reason_visual"> <div class="reason_blockquote"> <blockquote class="customer-quote"> <div class="customer-quote_content"> <p class="customer-quote_text">Been a Postmark customer for a very long time. Stability and deliverability is so good I sometimes go months without thinking about it. It just works.</p> </div> <aside class="customer-quote_customer"> <div class="story-author story-author--horizontal story-author--small"> <img src="/images/stories/ben-webster.jpg" alt="Ben Webster" class="story-author_photo"> <p class="story-author_data"> <span class="story-author_name">Ben Webster</span> <span class="story-author_position">Cofounder of Insured by Us</span> </p> </div> </aside> </blockquote> </div> </div> <section class="reason_section-text"> <div class="reason_section-text-content"> <h2>Developer-friendly email API documentation</h2> <p>We take great care of our <a href="/developer">API documentation</a> so that you have the information you need to easily integrate with Postmark. Plus, our handy <a href="/api-explorer">API Explorer</a> lets you test-drive API calls against your account and returns real data.</p> </div> </section> <div class="reason_visual"> <figure class="reason_figure"> <img src="/images/reasons/api-docs.png" srcset="/images/reasons/api-docs@2x.png 2x" alt="Screenshot of the Postmark API documentation" class="reason_img reason_img--border" > </figure> </div> <section class="reason_section-text"> <div class="reason_section-text-content"> <h2>Great support as standard</h2> <div><p>Our knowledgeable <a href="/support">support team</a> is always on hand to help, whether it’s through 1-on-1 calls, webinars, email, live-chat or one of our many <a href="/support">help docs</a> and <a href="/guides">guides</a>.</p></div> <div class="satisfaction "> <div class="satisfaction_bar"> <div class="satisfaction_item satisfaction_item--great" style="flex-basis: 86%;"> <div class="satisfaction_percentage">86%</div> <div class="satisfaction_label">Customer Happiness Rating</div> </div> <div class="satisfaction_item satisfaction_item--okay" style="flex-basis: 4%;"></div> <div class="satisfaction_item satisfaction_item--not-good" style="flex-basis: 10%;"></div> </div> <ul class="satisfaction_key"> <li class="satisfaction_legend satisfaction_legend--great">😃 Great (86%)</li> <li class="satisfaction_legend satisfaction_legend--okay">🙂 Okay (4%)</li> <li class="satisfaction_legend satisfaction_legend--not-good">😔 Not Good (10%)</li> </ul> <p class="satisfaction_note">Customer feedback gathered through Help Scout over the past 60 days.</p> </div> </div> </section> <section class="reason_section-text"> <div class="reason_section-text-content"> <h2>Email API features: Do more than just send email</h2> <p>With our flexible email APIs you can manage <a href="/developer/api/domains-api">domains</a> and <a href="/developer/api/templates-api">templates</a>, <a href="/developer/api/stats-api">retrieve stats</a>, <a href="/developer/user-guide/inbound">process inbound email</a>, and so much more. For many email providers, APIs are an afterthought. Here at Postmark, we think API-first.</p> <a href="/developer" class="cta-btn">Read the API docs →</a> </div> </section> </div> </article> </div> <hr class="divider divider--grey-light u-margin-top--xl"> <section class="section section--l icon-list icon-list--left-align"> <div class="u-container"> <h2 class="section_title">More reasons to love Postmark’s email API service</h2> <ul class="icon-list_items u-grid u-grid--gutters-medium u-grid--full u-grid--1of3-at-medium"> <li class="icon-list_item u-grid-cell"> <img class="icon-list_icon" src="/images/open-tracking.svg" alt="Sandbox Mode" height="50"> <h3 class="icon-list_headline">A safe space to test and experiment</h3> <p class="icon-list_desc">With <a href="/blog/new-in-postmark-sandbox-mode">Sandbox Mode</a> you can test and experiment with our API without the risk of accidentally sending email to real recipients.</p> </li> <li class="icon-list_item u-grid-cell"> <img class="icon-list_icon" src="/images/protect.svg" alt="Email authentication" height="50"> <h3 class="icon-list_headline">Email authentication made easy</h3> <p class="icon-list_desc">We guide you through setting up <a href="/guides/dmarc">DMARC</a> and <a href="/guides/spf">SPF</a> to help protect your domain from spoofing.</p> </li> <li class="icon-list_item u-grid-cell"> <img class="icon-list_icon" src="/images/webhook.svg" alt="Webhooks" height="50"> <h3 class="icon-list_headline">Modular webhooks</h3> <p class="icon-list_desc">Notify your application every time an email is delivered, opened, bounces, or a link is clicked with <a href="/email-webhooks">webhooks</a>.</p> </li> </ul> </div> </section> <section class="section section--l section--blue-grad"> <div class="u-container"> <h2 class="section_title">Ready to get started?</h2> <div class="section_intro section_intro--base">Join thousands of businesses that already trust their email delivery to Postmark.</div> <div class="section_buttons u-text-center"> <a href="https://account.postmarkapp.com/sign_up" class="cta-btn cta-btn--default cta-btn--huge js-signup " data-track="Click" data-category="Signup Button" data-label="Why Page Footer Banner"> <span class="cta-btn_label">Start free trial</span> <span class="cta-btn_sub-label">No credit card required</span> </a> </div> <ul class="customer-logos customer-logos--centered customer-logos--pad-top "> <li class="customer-logos_logo customer-logos_logo--paddle">Paddle</li> <li class="customer-logos_logo customer-logos_logo--indiehackers">Indie Hackers</li> <li class="customer-logos_logo customer-logos_logo--faire">Faire.com</li> <li class="customer-logos_logo customer-logos_logo--ikea">IKEA</li> <li class="customer-logos_logo customer-logos_logo--litmus">litmus</li> <li class="customer-logos_logo customer-logos_logo--desk">desk</li> <li class="customer-logos_logo customer-logos_logo--minecraft">minecraft</li> <li class="customer-logos_logo customer-logos_logo--livestream">livestream</li> <li class="customer-logos_logo customer-logos_logo--unicef">UNICEF</li> <li class="customer-logos_logo customer-logos_logo--asana">Asana</li> <li class="customer-logos_logo customer-logos_logo--moz">Moz</li> <li class="customer-logos_logo customer-logos_logo--codeclimate">Code Climate</li> <li class="customer-logos_logo customer-logos_logo--livechat">LiveChat</li> <li class="customer-logos_logo customer-logos_logo--onepassword">1Password</li> <li class="customer-logos_logo customer-logos_logo--wistia">Wistia</li> <li class="customer-logos_logo customer-logos_logo--betterment">Betterment</li> <li class="customer-logos_logo customer-logos_logo--webflow">Webflow</li> <li class="customer-logos_logo customer-logos_logo--invision">InVision</li> </ul> </div> </section> <div class="u-container"> <nav class="reasons-nav "> <h2 class="reasons-nav_title">Explore our features</h2> <ul class="reasons-nav_list"> <li class="reasons-nav_item reasons-nav_item--current"> <a href="https://postmarkapp.com/email-api" class="reasons-nav_link"> <span class="nav_icon nav_icon--email-api"></span> <span>Email API</span> </a> </li> <li class="reasons-nav_item"> <a href="https://postmarkapp.com/smtp-service" class="reasons-nav_link"> <span class="nav_icon nav_icon--smtp"></span> <span>SMTP Service</span> </a> </li> <li class="reasons-nav_item"> <a href="https://postmarkapp.com/message-streams" class="reasons-nav_link"> <span class="nav_icon nav_icon--streams"></span> <span>Message Streams</span> </a> </li> <li class="reasons-nav_item"> <a href="https://postmarkapp.com/transactional-email" class="reasons-nav_link"> <span class="nav_icon nav_icon--transactional"></span> <span>Transactional Email</span> </a> </li> <li class="reasons-nav_item"> <a href="https://postmarkapp.com/email-delivery" class="reasons-nav_link"> <span class="nav_icon nav_icon--delivery"></span> <span>Email Delivery</span> </a> </li> <li class="reasons-nav_item"> <a href="https://postmarkapp.com/email-templates" class="reasons-nav_link"> <span class="nav_icon nav_icon--templates"></span> <span>Email Templates</span> </a> </li> <li class="reasons-nav_item"> <a href="https://postmarkapp.com/inbound-email" class="reasons-nav_link"> <span class="nav_icon nav_icon--inbound"></span> <span>Inbound Email</span> </a> </li> <li class="reasons-nav_item"> <a href="https://postmarkapp.com/email-analytics" class="reasons-nav_link"> <span class="nav_icon nav_icon--insight"></span> <span>Analytics</span> </a> </li> <li class="reasons-nav_item"> <a href="https://postmarkapp.com/email-webhooks" class="reasons-nav_link"> <span class="nav_icon nav_icon--webhooks"></span> <span>Webhooks</span> </a> </li> <li class="reasons-nav_item"> <a href="https://postmarkapp.com/security" class="reasons-nav_link"> <span class="nav_icon nav_icon--security"></span> <span>Security</span> </a> </li> <li class="reasons-nav_item"> <a href="https://postmarkapp.com/email-experts" class="reasons-nav_link"> <span class="nav_icon nav_icon--support"></span> <span>Email Experts</span> </a> </li> <li class="reasons-nav_item"> <a href="https://postmarkapp.com/rebound" class="reasons-nav_link"> <span class="nav_icon nav_icon--rebound"></span> <span>Rebound</span> </a> </li> </ul> </nav> </div> <section class="connect"> <div class="u-container u-grid u-grid--full u-grid--1of2-at-medium"> <section class="connect_section connect_section--subscribe u-grid-cell"> <h2 class="connect_title">Email best practices and industry news. Delivered monthly.</h2> <form action="https://postmark.activehosted.com/proc.php" method="post" class="connect_form" target="_blank"> <input type="hidden" name="u" value="5" /> <input type="hidden" name="f" value="5" /> <input type="hidden" name="s" /> <input type="hidden" name="c" value="0" /> <input type="hidden" name="m" value="0" /> <input type="hidden" name="act" value="sub" /> <input type="hidden" name="v" value="2" /> <input type="hidden" name="or" value="02a4b22a83b531c4bcc27f3da018b56c" /> <fieldset class="connect_fieldset"> <p class="connect_text">Our monthly newsletter is packed full of email tips, product announcements, and interviews with industry experts.</p> <div class="form-row connect_form-row"> <label class="connect_label hidden">Email address</label> <input class="connect_input qa-input-email" type="email" placeholder="Your email address" name="email" required> <input class="connect_submit cta-btn " type="submit" value="Subscribe"> </div> </fieldset> </form> <div class="connect_social"> <ul class="u-inline-list social-refs"> <li class="social-refs_item"><a href="https://twitter.com/postmarkapp" class="social-refs_link social-refs_link--twitter">Follow @postmarkapp</a></li> </ul> </div> </section> <section class="connect_section connect_section--chat u-grid-cell"> <h2 class="connect_title">Still have questions?</h2> <div class="connect_chat-box"> <ul class="team-list connect_support-team team-list--narrow"> <li class="team-list_item"> <img src="https://craft-assets.postmarkapp.com/userphotos/Iroig/_44x44_crop_center-center_none/T02JENB1D-U06SB2VCMHR-6f6fbf0d2aab-512.jpeg" srcset="https://craft-assets.postmarkapp.com/userphotos/Iroig/_88x88_crop_center-center_none/T02JENB1D-U06SB2VCMHR-6f6fbf0d2aab-512.jpeg 2x" alt="Ignacio Roig" title="Ignacio Roig" class="team-list_photo" /> <span class="team-list_name">Ignacio</span> </li> </ul> <div class="connect_callout-box"> <p class="connect_chat-callout">Ask us anything! We’re eager to help you with any problem or question you have…</p> <a href="https://postmarkapp.com/contact" class="cta-btn">Contact us</a> </div> </div> </section> </div> </section> </div> <footer class="footer "> <div class="u-container footer_container"> <nav class="nav nav--footer " role="navigation" aria-label="Footer"> <div class="nav_group"> <h4 class="nav_heading">Product</h4> <ul class="nav_list"> <li class="nav_item"> <a href="https://postmarkapp.com/pricing" class="nav_link">Pricing</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/customers" class="nav_link">Customers</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/reviews" class="nav_link">Reviews</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/dedicated-ips" class="nav_link">Dedicated IPs</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/ios" class="nav_link">iOS App</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/lp/referral-partner-program" class="nav_link">Referral Partner Program</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/updates" class="nav_link nav_link--updates" data-latest-update="1731514860">Latest Updates</a> </li> </ul> </div> <div class="nav_group"> <h4 class="nav_heading">Features</h4> <ul class="nav_list"> <li class="nav_item"> <a href="https://postmarkapp.com/email-api" class="nav_link">Email API</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/smtp-service" class="nav_link">SMTP Service</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/message-streams" class="nav_link">Message Streams</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/transactional-email" class="nav_link">Transactional Email</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/email-delivery" class="nav_link">Email Delivery</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/email-templates" class="nav_link">Templates</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/inbound-email" class="nav_link">Inbound Email</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/email-analytics" class="nav_link">Analytics & Retention</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/integrations" class="nav_link">Integrations</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/email-webhooks" class="nav_link">Webhooks</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/security" class="nav_link">Security</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/email-experts" class="nav_link">Email Experts</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/rebound" class="nav_link">Rebound</a> </li> </ul> </div> <div class="nav_group"> <h4 class="nav_heading">Postmark For</h4> <ul class="nav_list"> <li class="nav_item"> <a href="https://postmarkapp.com/for/agencies" class="nav_link">Agencies</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/for/startups" class="nav_link">Startups</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/for/enterprise" class="nav_link">Enterprise</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/for/bootstrapped-startups" class="nav_link">Bootstrapped Startups</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/for/side-projects" class="nav_link">Side Projects</a> </li> <li class="nav_item"> <a href="/send-email" class="nav_link">Developers</a> </li> </ul> <h4 class="nav_heading">Postmark vs.</h4> <ul class="nav_list"> <li class="nav_item"> <a href="https://postmarkapp.com/compare/sendgrid-alternative" title="Compare Postmark to SendGrid" class="nav_link">SendGrid</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/compare/sparkpost-alternative" title="Compare Postmark to SparkPost" class="nav_link">SparkPost</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/compare/mailgun-alternative" title="Compare Postmark to Mailgun" class="nav_link">Mailgun</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/compare/amazon-ses-alternative" title="Compare Postmark to Amazon SES" class="nav_link">Amazon SES</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/compare/mandrill-alternative" title="Compare Postmark to Mandrill" class="nav_link">Mandrill</a> </li> </ul> </div> <div class="nav_group"> <h4 class="nav_heading">Resources</h4> <ul class="nav_list"> <li class="nav_item"> <a href="https://postmarkapp.com/blog" class="nav_link">Blog</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/developer" class="nav_link">API Documentation</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/manual" class="nav_link">Getting Started</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/guides" class="nav_link">Email Guides</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/postmark-express" class="nav_link">Email Comic</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/videos" class="nav_link">Videos</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/podcast" class="nav_link">Podcast</a> </li> <li class="nav_item"> <a href="https://dmarcdigests.com" target="_blank" rel="noopener" class="nav_link">DMARC Digests</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/webinars" class="nav_link">Webinars</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/labs" class="nav_link">Labs</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/migration-guides" class="nav_link">Migration Guides</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/newsletter" class="nav_link">Newsletter</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/glossary" class="nav_link">Glossary</a> </li> </ul> </div> <div class="nav_group"> <h4 class="nav_heading">Help</h4> <ul class="nav_list"> <li class="nav_item"> <a href="https://postmarkapp.com/support" class="nav_link">Support Center</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/contact" class="nav_link">Contact Support</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/talk-to-sales" class="nav_link">Talk to Sales</a> </li> <li class="nav_item"> <a href="https://status.postmarkapp.com" target="_blank" rel="noopener noreferrer" class="nav_link">Service Status</a> </li> </ul> <h4 class="nav_heading">Visit ActiveCampaign for:</h4> <ul class="nav_list"> <li class="nav_item"> <a href="https://www.activecampaign.com/marketing-automation?utm_source=postmark&utm_medium=referral&utm_campaign=postmark_web&utm_content=postmark_footer_nav" target="_blank" rel="noopener" class="nav_link">Marketing Automation</a> </li> <li class="nav_item"> <a href="https://www.activecampaign.com/sales-crm?utm_source=postmark&utm_medium=referral&utm_campaign=postmark_web&utm_content=postmark_footer_nav" target="_blank" rel="noopener" class="nav_link">CRM & Sales Automation</a> </li> <li class="nav_item"> <a href="https://www.activecampaign.com/omnichannel/landing-pages?utm_source=postmark&utm_medium=referral&utm_campaign=postmark_web&utm_content=postmark_footer_nav" target="_blank" rel="noopener" class="nav_link">Landing Pages</a> </li> <li class="nav_item"> <a href="https://www.activecampaign.com/omnichannel/sms-marketing?utm_source=postmark&utm_medium=referral&utm_campaign=postmark_web&utm_content=postmark_footer_nav" target="_blank" rel="noopener" class="nav_link">SMS Automation</a> </li> </ul> </div> </nav> <div class="u-grid u-grid--full u-grid--1of3-at-large footer_lower"> <div class="u-grid-cell"> <div class="footer_ac"> Made with <span class="footer_love">♥</span> at <a href="https://www.activecampaign.com?utm_source=postmark&utm_medium=referral&utm_campaign=postmark_web&utm_content=postmark_footer" class="footer_ac-logo" target="_blank" rel="noopener">ActiveCampaign</a></a> </div> </div> <div class="u-grid-cell u-grid-cell--2of3"> <div class="nav nav--legal"> <ul class="nav_list nav_list--legal"> <li class="nav_item"> <a href="https://postmarkapp.com/privacy-policy" class="nav_link">Privacy Policy</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/cookie-policy" class="nav_link">Cookie Policy</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/terms-of-service" class="nav_link">Terms of Service</a> </li> <li class="nav_item"> <a href="https://postmarkapp.com/eu-privacy" class="nav_link">EU Data Protection</a> </li> <li class="nav_item">© ActiveCampaign, <abbr>LLC</abbr>, 2025.</li> </ul> </div> </div> </div> </div> </footer> <script src="https://solve-widget.forethought.ai/embed.js" id="forethought-widget-embed-script" data-api-key="2310ff96-9b16-4a77-9601-827429c9507c" data-ft-Workflow-Tag="postmark" ></script> <script src="https://postmarkapp.com/dist/js/landing.9aabe3a6f1bb65b85588.js"></script> <script type="text/javascript"> window['GoogleAnalyticsObject'] = 'ga'; window['ga'] = window['ga'] || function() { (window['ga'].q = window['ga'].q || []).push(arguments) }; </script> <!-- Google Tag Manager --> <noscript><iframe src="//www.googletagmanager.com/ns.html?id=GTM-PWV3TKM" width="0" height="0" style="display:none; visibility:hidden"></iframe></noscript> <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='//www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-PWV3TKM');</script> <script type="application/ld+json"> { "@context": "http://schema.org", "@type": "Organization", "url": "https://postmarkapp.com", "logo": "https://postmarkapp.com/images/logo-stamp-social.png", "name": "Postmark", "founder": [ { "@type": "Person", "name": "Jason VandeBoom", "jobTitle": "CEO" } ], "foundingLocation": { "@type": "Place", "address": { "@type": "PostalAddress", "streetAddress": "1 North Dearborn St, 5th Floor", "addressLocality": "Chicago", "addressRegion": "IL", "postalCode": "60602", "addressCountry": "US" } }, "location": { "@type": "Place", "address": { "@type": "PostalAddress", "streetAddress": "1 North Dearborn St, 5th Floor", "addressLocality": "Chicago", "addressRegion": "IL", "postalCode": "60602", "addressCountry": "US" } }, "sameAs": [ "https://twitter.com/postmarkapp" ] } </script> <script type="application/ld+json"> { "@context": "http://schema.org", "@type": "WebSite", "name": "Postmark", "url": "https://postmarkapp.com" } </script> </body> </html>