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href="https://dmarc.org/about/history/">History</a></li> </ul> </li> <li id="menu-item-89" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-89"><a href="https://dmarc.org/participate/">Participate</a></li> </ul></div> </nav> </div> <div class="clearboth"></div> </div> <div class="search-block"> <form role="search" method="get" class="search-form" action="https://dmarc.org/"> <label> <input type="search" class="search-field" placeholder="Search…" value="" name="s" title="Search for:" /> </label> <input type="submit" class="search-submit" value=" " /> </form> </div> </div> </div> <div class="clearboth"></div> </header> <div class="page-header"> <div class="site-container"> <h1> DKIM </h1> <div class="cx-breadcrumbs"> </div> </div> </div> <div class="site-body site-pad"> <div class="site-container"> <div id="primary" class="content-area"> <article id="post-843" class="alba-blog-standard-block post-843 post type-post status-publish format-standard hentry category-blog tag-aggregate-reports tag-dkim tag-dmarc tag-forwarding tag-reporting tag-spf tag-third-party-senders"> <div class="alba-blog-standard-block-imgs"> <div class="alba-blog-standard-block-img-carousel-wrapper alba-blog-standard-block-img-wrapper-remove"> <div class="alba-blog-standard-block-img-prev"></div> <div class="alba-blog-standard-block-img-next"></div> <div class="alba-blog-standard-block-img-carousel alba-blog-standard-block-img-remove"> <img src="https://dmarc.org/wp-content/uploads/2017/03/dmarcian-forwarders-2017-03-05.png" alt="Report: Forwarded Email" /> <img src="https://dmarc.org/wp-content/uploads/2017/03/SPF-forwarding-example.png" alt="SPF-forwarding-example" /> </div> </div> </div> <div class="alba-blog-standard-block-content alba-blog-standard-has-images"> <header class="entry-header"> <h3 class="entry-title"><a href="https://dmarc.org/2017/03/can-i-use-dmarc-if-i-have-only-deployed-spf/" rel="bookmark">Can I Use DMARC If I Have Only Deployed SPF?</a></h3> <div class="entry-meta"> <i class="fa fa-calendar"></i> <a href="https://dmarc.org/2017/03/can-i-use-dmarc-if-i-have-only-deployed-spf/" title="6:30 am" rel="bookmark"><time class="entry-date published" datetime="2017-03-06T06:30:16-08:00">March 6, 2017</time><time class="updated" datetime="2017-03-06T00:58:39-08:00">March 6, 2017</time></a><span class="byline"><span class="author vcard"> <i class="fa fa-user"></i> <a class="url fn n" href="https://dmarc.org/author/smj/" title="View all posts by Steve Jones" rel="author">Steve Jones</a></span></span> </div> </header> <div class="entry-content"> <p>A question people asked repeatedly in 2016 was whether or not their organization could deploy DMARC if they only used SPF at present. They knew the recommendation is to use both DKIM and SPF, and were concerned that their organizations couldn’t benefit from DMARC without DKIM. The short answer is that you can use DMARC […]</p> </div> <footer class="alba-blog-standard-post-footer"> <div class="alba-blog-standard-post-footer-left"> <span class="cat-links"> <i class="fa fa-list"></i> Posted in <a href="https://dmarc.org/category/blog/" rel="category tag">Blog</a> </span> <span class="tags-links"> <i class="fa fa-tags"></i> Tags <a href="https://dmarc.org/tag/aggregate-reports/" rel="tag">aggregate reports</a>, <a href="https://dmarc.org/tag/dkim/" rel="tag">DKIM</a>, <a href="https://dmarc.org/tag/dmarc/" rel="tag">DMARC</a>, <a href="https://dmarc.org/tag/forwarding/" rel="tag">forwarding</a>, <a href="https://dmarc.org/tag/reporting/" rel="tag">reporting</a>, <a href="https://dmarc.org/tag/spf/" rel="tag">SPF</a>, <a href="https://dmarc.org/tag/third-party-senders/" rel="tag">third-party senders</a> </span> </div> <div class="alba-blog-standard-post-footer-right"> <a href="https://dmarc.org/2017/03/can-i-use-dmarc-if-i-have-only-deployed-spf/" class="alba-blog-permalink-btn">Read More</a> </div> <div class="clearboth"></div> </footer> </div> <div class="clearboth"></div> </article> <article id="post-793" class="alba-blog-standard-block post-793 post type-post status-publish format-standard hentry category-blog tag-announcements tag-dkim tag-dmarc tag-dns tag-dutch tag-email-authentication tag-germany tag-holland tag-phishing tag-policy tag-strategy tag-uk"> <div class="alba-blog-standard-block-content alba-blog-standard-no-images"> <header class="entry-header"> <h3 class="entry-title"><a href="https://dmarc.org/2016/11/united-kingdom-leading-the-way-in-email-security/" rel="bookmark">United Kingdom Leading The Way In Email Security</a></h3> <div class="entry-meta"> <i class="fa fa-calendar"></i> <a href="https://dmarc.org/2016/11/united-kingdom-leading-the-way-in-email-security/" title="3:16 am" rel="bookmark"><time class="entry-date published" datetime="2016-11-07T03:16:45-08:00">November 7, 2016</time></a><span class="byline"><span class="author vcard"> <i class="fa fa-user"></i> <a class="url fn n" href="https://dmarc.org/author/smj/" title="View all posts by Steve Jones" rel="author">Steve Jones</a></span></span> </div> </header> <div class="entry-content"> <p>The United Kingdom may have the most forward looking policies and deployment plans of any major government. Last week Chancellor of the Exchequer Philip Hammond announced a £1.9 billion national cyber security strategy that includes a broad series of measures, and will continue a series of improvements in email security that the UK government has […]</p> </div> <footer class="alba-blog-standard-post-footer"> <div class="alba-blog-standard-post-footer-left"> <span class="cat-links"> <i class="fa fa-list"></i> Posted in <a href="https://dmarc.org/category/blog/" rel="category tag">Blog</a> </span> <span class="tags-links"> <i class="fa fa-tags"></i> Tags <a href="https://dmarc.org/tag/announcements/" rel="tag">Announcements</a>, <a href="https://dmarc.org/tag/dkim/" rel="tag">DKIM</a>, <a href="https://dmarc.org/tag/dmarc/" rel="tag">DMARC</a>, <a href="https://dmarc.org/tag/dns/" rel="tag">DNS</a>, <a href="https://dmarc.org/tag/dutch/" rel="tag">Dutch</a>, <a href="https://dmarc.org/tag/email-authentication/" rel="tag">email authentication</a>, <a href="https://dmarc.org/tag/germany/" rel="tag">Germany</a>, <a href="https://dmarc.org/tag/holland/" rel="tag">Holland</a>, <a href="https://dmarc.org/tag/phishing/" rel="tag">phishing</a>, <a href="https://dmarc.org/tag/policy/" rel="tag">policy</a>, <a href="https://dmarc.org/tag/strategy/" rel="tag">strategy</a>, <a href="https://dmarc.org/tag/uk/" rel="tag">UK</a> </span> </div> <div class="alba-blog-standard-post-footer-right"> <a href="https://dmarc.org/2016/11/united-kingdom-leading-the-way-in-email-security/" class="alba-blog-permalink-btn">Read More</a> </div> <div class="clearboth"></div> </footer> </div> <div class="clearboth"></div> </article> <article id="post-672" class="alba-blog-standard-block post-672 post type-post status-publish format-standard hentry category-blog tag-business-email-compromise tag-dkim tag-dmarc tag-email-authentication tag-filtering tag-malware tag-phishing tag-ransomware tag-spf"> <div class="alba-blog-standard-block-imgs"> <div class="alba-blog-standard-block-img-carousel-wrapper alba-blog-standard-block-img-wrapper-remove"> <div class="alba-blog-standard-block-img-prev"></div> <div class="alba-blog-standard-block-img-next"></div> <div class="alba-blog-standard-block-img-carousel alba-blog-standard-block-img-remove"> <img src="https://dmarc.org/wp-content/uploads/2016/08/AU_DOD_ASD_info_sec_advice__290x225.png" alt="AU_DOD_ASD_info_sec_advice__290x225" /> </div> </div> </div> <div class="alba-blog-standard-block-content alba-blog-standard-has-images"> <header class="entry-header"> <h3 class="entry-title"><a href="https://dmarc.org/2016/08/australian-government-agency-recommends-dmarc-dkim-and-spf/" rel="bookmark">Australian Government Agency Recommends DMARC, DKIM, and SPF</a></h3> <div class="entry-meta"> <i class="fa fa-calendar"></i> <a href="https://dmarc.org/2016/08/australian-government-agency-recommends-dmarc-dkim-and-spf/" title="5:50 am" rel="bookmark"><time class="entry-date published" datetime="2016-08-09T05:50:08-07:00">August 9, 2016</time><time class="updated" datetime="2016-08-08T23:27:12-07:00">August 8, 2016</time></a><span class="byline"><span class="author vcard"> <i class="fa fa-user"></i> <a class="url fn n" href="https://dmarc.org/author/smj/" title="View all posts by Steve Jones" rel="author">Steve Jones</a></span></span> </div> </header> <div class="entry-content"> <p>In July the Australian Signals Directorate, part of the Department of Defence, and the Australian Cyber Security Centre issued a report for IT professionals titled, Malicious Email Mitigation Strategies. The report recommends the most effective methods of protecting organizations from email-borne attacks, and includes deploying DKIM, DMARC, and SPF. Furthermore it recommends using DMARC with […]</p> </div> <footer class="alba-blog-standard-post-footer"> <div class="alba-blog-standard-post-footer-left"> <span class="cat-links"> <i class="fa fa-list"></i> Posted in <a href="https://dmarc.org/category/blog/" rel="category tag">Blog</a> </span> <span class="tags-links"> <i class="fa fa-tags"></i> Tags <a href="https://dmarc.org/tag/business-email-compromise/" rel="tag">business email compromise</a>, <a href="https://dmarc.org/tag/dkim/" rel="tag">DKIM</a>, <a href="https://dmarc.org/tag/dmarc/" rel="tag">DMARC</a>, <a href="https://dmarc.org/tag/email-authentication/" rel="tag">email authentication</a>, <a href="https://dmarc.org/tag/filtering/" rel="tag">filtering</a>, <a href="https://dmarc.org/tag/malware/" rel="tag">malware</a>, <a href="https://dmarc.org/tag/phishing/" rel="tag">phishing</a>, <a href="https://dmarc.org/tag/ransomware/" rel="tag">ransomware</a>, <a href="https://dmarc.org/tag/spf/" rel="tag">SPF</a> </span> </div> <div class="alba-blog-standard-post-footer-right"> <a href="https://dmarc.org/2016/08/australian-government-agency-recommends-dmarc-dkim-and-spf/" class="alba-blog-permalink-btn">Read More</a> </div> <div class="clearboth"></div> </footer> </div> <div class="clearboth"></div> </article> <article id="post-659" class="alba-blog-standard-block post-659 post type-post status-publish format-standard hentry category-blog category-faq category-tutorial tag-dkim tag-dmarc tag-dns tag-faq tag-spf tag-tutorial"> <div class="alba-blog-standard-block-imgs"> <div class="alba-blog-standard-block-img-carousel-wrapper alba-blog-standard-block-img-wrapper-remove"> <div class="alba-blog-standard-block-img-prev"></div> <div class="alba-blog-standard-block-img-next"></div> <div class="alba-blog-standard-block-img-carousel alba-blog-standard-block-img-remove"> <img src="https://dmarc.org/wp-content/uploads/2016/07/rejected-records.jpg" alt="Rejected DMARC Records" /> <img src="https://dmarc.org/wp-content/uploads/2016/07/rejected-records-small.jpg" alt="Rejected DMARC records" /> </div> </div> </div> <div class="alba-blog-standard-block-content alba-blog-standard-has-images"> <header class="entry-header"> <h3 class="entry-title"><a href="https://dmarc.org/2016/07/common-problems-with-dmarc-records/" rel="bookmark">Common Problems With DMARC Records</a></h3> <div class="entry-meta"> <i class="fa fa-calendar"></i> <a href="https://dmarc.org/2016/07/common-problems-with-dmarc-records/" title="5:31 am" rel="bookmark"><time class="entry-date published" datetime="2016-07-18T05:31:58-07:00">July 18, 2016</time><time class="updated" datetime="2016-09-08T00:28:23-07:00">September 8, 2016</time></a><span class="byline"><span class="author vcard"> <i class="fa fa-user"></i> <a class="url fn n" href="https://dmarc.org/author/smj/" title="View all posts by Steve Jones" rel="author">Steve Jones</a></span></span> </div> </header> <div class="entry-content"> <p>It’s very common for any organization’s first attempt at a DMARC record to get the syntax or content wrong in some respect. This post will share some of the missteps and oddities seen while reviewing a dataset of captured Domain Name System (DNS) queries provided by Farsight Security. To be clear, all of the records […]</p> </div> <footer class="alba-blog-standard-post-footer"> <div class="alba-blog-standard-post-footer-left"> <span class="cat-links"> <i class="fa fa-list"></i> Posted in <a href="https://dmarc.org/category/blog/" rel="category tag">Blog</a>, <a href="https://dmarc.org/category/faq/" rel="category tag">FAQ</a>, <a href="https://dmarc.org/category/tutorial/" rel="category tag">Tutorial</a> </span> <span class="tags-links"> <i class="fa fa-tags"></i> Tags <a href="https://dmarc.org/tag/dkim/" rel="tag">DKIM</a>, <a href="https://dmarc.org/tag/dmarc/" rel="tag">DMARC</a>, <a href="https://dmarc.org/tag/dns/" rel="tag">DNS</a>, <a href="https://dmarc.org/tag/faq/" rel="tag">FAQ</a>, <a href="https://dmarc.org/tag/spf/" rel="tag">SPF</a>, <a href="https://dmarc.org/tag/tutorial/" rel="tag">tutorial</a> </span> </div> <div class="alba-blog-standard-post-footer-right"> <a href="https://dmarc.org/2016/07/common-problems-with-dmarc-records/" class="alba-blog-permalink-btn">Read More</a> </div> <div class="clearboth"></div> </footer> </div> <div class="clearboth"></div> </article> <article id="post-601" class="alba-blog-standard-block post-601 post type-post status-publish format-standard hentry category-blog tag-b2b tag-commercial tag-dkim tag-dmarc tag-email-authentication tag-enterprise tag-gateway tag-phishing tag-tls tag-vendors"> <div class="alba-blog-standard-block-content alba-blog-standard-no-images"> <header class="entry-header"> <h3 class="entry-title"><a href="https://dmarc.org/2016/03/eleven-commercial-email-gateways-support-dmarc/" rel="bookmark">Eleven Commercial Email Gateways Support DMARC</a></h3> <div class="entry-meta"> <i class="fa fa-calendar"></i> <a href="https://dmarc.org/2016/03/eleven-commercial-email-gateways-support-dmarc/" title="5:32 am" rel="bookmark"><time class="entry-date published" datetime="2016-03-23T05:32:59-07:00">March 23, 2016</time><time class="updated" datetime="2016-03-22T16:37:26-07:00">March 22, 2016</time></a><span class="byline"><span class="author vcard"> <i class="fa fa-user"></i> <a class="url fn n" href="https://dmarc.org/author/smj/" title="View all posts by Steve Jones" rel="author">Steve Jones</a></span></span> </div> </header> <div class="entry-content"> <p>Businesses and other organizations can protect themselves from certain classes of phishing attacks on their employees by using DMARC to filter incoming email messages. But whether the company is large or small, they usually don’t have the expertise or resources to build their own filtering solution. That’s why commercial email gateways that support DMARC are […]</p> </div> <footer class="alba-blog-standard-post-footer"> <div class="alba-blog-standard-post-footer-left"> <span class="cat-links"> <i class="fa fa-list"></i> Posted in <a href="https://dmarc.org/category/blog/" rel="category tag">Blog</a> </span> <span class="tags-links"> <i class="fa fa-tags"></i> Tags <a href="https://dmarc.org/tag/b2b/" rel="tag">B2B</a>, <a href="https://dmarc.org/tag/commercial/" rel="tag">commercial</a>, <a href="https://dmarc.org/tag/dkim/" rel="tag">DKIM</a>, <a href="https://dmarc.org/tag/dmarc/" rel="tag">DMARC</a>, <a href="https://dmarc.org/tag/email-authentication/" rel="tag">email authentication</a>, <a href="https://dmarc.org/tag/enterprise/" rel="tag">enterprise</a>, <a href="https://dmarc.org/tag/gateway/" rel="tag">gateway</a>, <a href="https://dmarc.org/tag/phishing/" rel="tag">phishing</a>, <a href="https://dmarc.org/tag/tls/" rel="tag">TLS</a>, <a href="https://dmarc.org/tag/vendors/" rel="tag">vendors</a> </span> </div> <div class="alba-blog-standard-post-footer-right"> <a href="https://dmarc.org/2016/03/eleven-commercial-email-gateways-support-dmarc/" class="alba-blog-permalink-btn">Read More</a> </div> <div class="clearboth"></div> </footer> </div> <div class="clearboth"></div> </article> <article id="post-593" class="alba-blog-standard-block post-593 post type-post status-publish format-standard hentry category-blog tag-best-practices tag-dkim tag-dmarc tag-email-authentication tag-esp tag-filtering tag-operations tag-spf"> <div class="alba-blog-standard-block-content alba-blog-standard-no-images"> <header class="entry-header"> <h3 class="entry-title"><a href="https://dmarc.org/2016/03/best-practices-for-email-senders/" rel="bookmark">Best Authentication Practices for Email Senders</a></h3> <div class="entry-meta"> <i class="fa fa-calendar"></i> <a href="https://dmarc.org/2016/03/best-practices-for-email-senders/" title="9:30 am" rel="bookmark"><time class="entry-date published" datetime="2016-03-11T09:30:50-08:00">March 11, 2016</time><time class="updated" datetime="2016-03-14T15:12:33-07:00">March 14, 2016</time></a><span class="byline"><span class="author vcard"> <i class="fa fa-user"></i> <a class="url fn n" href="https://dmarc.org/author/smj/" title="View all posts by Steve Jones" rel="author">Steve Jones</a></span></span> </div> </header> <div class="entry-content"> <p>Product managers and engineers from some of the world’s largest mailbox providers recently got together to explain coming changes in email authentication at an industry conference. While we can’t share all that was said, we did get permission to share their combined best practice recommendations, which will work as well for a small business as […]</p> </div> <footer class="alba-blog-standard-post-footer"> <div class="alba-blog-standard-post-footer-left"> <span class="cat-links"> <i class="fa fa-list"></i> Posted in <a href="https://dmarc.org/category/blog/" rel="category tag">Blog</a> </span> <span class="tags-links"> <i class="fa fa-tags"></i> Tags <a href="https://dmarc.org/tag/best-practices/" rel="tag">best practices</a>, <a href="https://dmarc.org/tag/dkim/" rel="tag">DKIM</a>, <a href="https://dmarc.org/tag/dmarc/" rel="tag">DMARC</a>, <a href="https://dmarc.org/tag/email-authentication/" rel="tag">email authentication</a>, <a href="https://dmarc.org/tag/esp/" rel="tag">ESP</a>, <a href="https://dmarc.org/tag/filtering/" rel="tag">filtering</a>, <a href="https://dmarc.org/tag/operations/" rel="tag">operations</a>, <a href="https://dmarc.org/tag/spf/" rel="tag">SPF</a> </span> </div> <div class="alba-blog-standard-post-footer-right"> <a href="https://dmarc.org/2016/03/best-practices-for-email-senders/" class="alba-blog-permalink-btn">Read More</a> </div> <div class="clearboth"></div> </footer> </div> <div class="clearboth"></div> </article> <article id="post-504" class="alba-blog-standard-block post-504 post type-post status-publish format-standard hentry category-blog tag-aggregate-reports tag-dkim tag-dmarc tag-email-authentication tag-failure-reports tag-receivers tag-reporting tag-spf tag-third-party-senders tag-tutorial"> <div class="alba-blog-standard-block-content alba-blog-standard-no-images"> <header class="entry-header"> <h3 class="entry-title"><a href="https://dmarc.org/2015/12/new-dmarc-videos-from-dmarcian/" rel="bookmark">Instructional DMARC videos from Dmarcian</a></h3> <div class="entry-meta"> <i class="fa fa-calendar"></i> <a href="https://dmarc.org/2015/12/new-dmarc-videos-from-dmarcian/" title="5:45 am" rel="bookmark"><time class="entry-date published" datetime="2015-12-09T05:45:44-08:00">December 9, 2015</time><time class="updated" datetime="2015-12-08T19:45:20-08:00">December 8, 2015</time></a><span class="byline"><span class="author vcard"> <i class="fa fa-user"></i> <a class="url fn n" href="https://dmarc.org/author/smj/" title="View all posts by Steve Jones" rel="author">Steve Jones</a></span></span> </div> </header> <div class="entry-content"> <p>DMARC report processor Dmarcian.com has made a series of videos about DMARC and email authentication available on their website. There is no charge to view the nine videos, which are based on presentations Dmarcian has developed and offered over the past several years. You can find all nine videos here: https://space.dmarcian.com/videos-on-all-things-dmarc</p> </div> <footer class="alba-blog-standard-post-footer"> <div class="alba-blog-standard-post-footer-left"> <span class="cat-links"> <i class="fa fa-list"></i> Posted in <a href="https://dmarc.org/category/blog/" rel="category tag">Blog</a> </span> <span class="tags-links"> <i class="fa fa-tags"></i> Tags <a href="https://dmarc.org/tag/aggregate-reports/" rel="tag">aggregate reports</a>, <a href="https://dmarc.org/tag/dkim/" rel="tag">DKIM</a>, <a href="https://dmarc.org/tag/dmarc/" rel="tag">DMARC</a>, <a href="https://dmarc.org/tag/email-authentication/" rel="tag">email authentication</a>, <a href="https://dmarc.org/tag/failure-reports/" rel="tag">failure reports</a>, <a href="https://dmarc.org/tag/receivers/" rel="tag">receivers</a>, <a href="https://dmarc.org/tag/reporting/" rel="tag">reporting</a>, <a href="https://dmarc.org/tag/spf/" rel="tag">SPF</a>, <a href="https://dmarc.org/tag/third-party-senders/" rel="tag">third-party senders</a>, <a href="https://dmarc.org/tag/tutorial/" rel="tag">tutorial</a> </span> </div> <div class="alba-blog-standard-post-footer-right"> <a href="https://dmarc.org/2015/12/new-dmarc-videos-from-dmarcian/" class="alba-blog-permalink-btn">Read More</a> </div> <div class="clearboth"></div> </footer> </div> <div class="clearboth"></div> </article> <article id="post-469" class="alba-blog-standard-block post-469 post type-post status-publish format-standard hentry category-blog tag-challenges tag-dkim tag-dmarc tag-email-authentication tag-operations tag-reporting tag-spf tag-third-party-senders tag-vendors"> <div class="alba-blog-standard-block-content alba-blog-standard-no-images"> <header class="entry-header"> <h3 class="entry-title"><a href="https://dmarc.org/2015/10/dmarc-is-easy-dmarc-is-hard-which-is-it/" rel="bookmark">“DMARC is easy!” “DMARC is hard!” Which is it?</a></h3> <div class="entry-meta"> <i class="fa fa-calendar"></i> <a href="https://dmarc.org/2015/10/dmarc-is-easy-dmarc-is-hard-which-is-it/" title="5:40 am" rel="bookmark"><time class="entry-date published" datetime="2015-10-27T05:40:36-07:00">October 27, 2015</time><time class="updated" datetime="2015-10-27T00:11:15-07:00">October 27, 2015</time></a><span class="byline"><span class="author vcard"> <i class="fa fa-user"></i> <a class="url fn n" href="https://dmarc.org/author/smj/" title="View all posts by Steve Jones" rel="author">Steve Jones</a></span></span> </div> </header> <div class="entry-content"> <p>It happens so often in IT that it’s a cliché. Somebody comments to senior management about a complex, long-term project you’re involved in, saying: “That’s easy, I could do that in an afternoon. What’s taking your people so long?” Or you’ve spent weeks on careful research, building the business case, explaining the cost-benefit trade-offs, and […]</p> </div> <footer class="alba-blog-standard-post-footer"> <div class="alba-blog-standard-post-footer-left"> <span class="cat-links"> <i class="fa fa-list"></i> Posted in <a href="https://dmarc.org/category/blog/" rel="category tag">Blog</a> </span> <span class="tags-links"> <i class="fa fa-tags"></i> Tags <a href="https://dmarc.org/tag/challenges/" rel="tag">challenges</a>, <a href="https://dmarc.org/tag/dkim/" rel="tag">DKIM</a>, <a href="https://dmarc.org/tag/dmarc/" rel="tag">DMARC</a>, <a href="https://dmarc.org/tag/email-authentication/" rel="tag">email authentication</a>, <a href="https://dmarc.org/tag/operations/" rel="tag">operations</a>, <a href="https://dmarc.org/tag/reporting/" rel="tag">reporting</a>, <a href="https://dmarc.org/tag/spf/" rel="tag">SPF</a>, <a href="https://dmarc.org/tag/third-party-senders/" rel="tag">third-party senders</a>, <a href="https://dmarc.org/tag/vendors/" rel="tag">vendors</a> </span> </div> <div class="alba-blog-standard-post-footer-right"> <a href="https://dmarc.org/2015/10/dmarc-is-easy-dmarc-is-hard-which-is-it/" class="alba-blog-permalink-btn">Read More</a> </div> <div class="clearboth"></div> </footer> </div> <div class="clearboth"></div> </article> <article id="post-382" class="alba-blog-standard-block post-382 post type-post status-publish format-standard hentry category-blog tag-dkim tag-dmarc tag-email-authentication tag-presentation tag-spf tag-tutorial"> <div class="alba-blog-standard-block-imgs"> <div class="alba-blog-standard-block-img-carousel-wrapper alba-blog-standard-block-img-wrapper-remove"> <div class="alba-blog-standard-block-img-prev"></div> <div class="alba-blog-standard-block-img-next"></div> <div class="alba-blog-standard-block-img-carousel alba-blog-standard-block-img-remove"> <img src="https://dmarc.org/wp-content/uploads/2015/07/SPF-in-action.png" alt="SPF-in-action" /> </div> </div> </div> <div class="alba-blog-standard-block-content alba-blog-standard-has-images"> <header class="entry-header"> <h3 class="entry-title"><a href="https://dmarc.org/2015/07/email-authentication-basics-slide-deck-now-available/" rel="bookmark">“Email Authentication Basics” Slide Deck Now Available</a></h3> <div class="entry-meta"> <i class="fa fa-calendar"></i> <a href="https://dmarc.org/2015/07/email-authentication-basics-slide-deck-now-available/" title="3:10 am" rel="bookmark"><time class="entry-date published" datetime="2015-07-10T03:10:31-07:00">July 10, 2015</time></a><span class="byline"><span class="author vcard"> <i class="fa fa-user"></i> <a class="url fn n" href="https://dmarc.org/author/smj/" title="View all posts by Steve Jones" rel="author">Steve Jones</a></span></span> </div> </header> <div class="entry-content"> <p>A new presentation explaining the basics of how email authentication works is available from DMARC.org. The concepts and common usage of SPF, DKIM, and DMARC are all covered in this introductory slide deck, which is made available under the Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA). You can download the 1.9MB PDF file clicking […]</p> </div> <footer class="alba-blog-standard-post-footer"> <div class="alba-blog-standard-post-footer-left"> <span class="cat-links"> <i class="fa fa-list"></i> Posted in <a href="https://dmarc.org/category/blog/" rel="category tag">Blog</a> </span> <span class="tags-links"> <i class="fa fa-tags"></i> Tags <a href="https://dmarc.org/tag/dkim/" rel="tag">DKIM</a>, <a href="https://dmarc.org/tag/dmarc/" rel="tag">DMARC</a>, <a href="https://dmarc.org/tag/email-authentication/" rel="tag">email authentication</a>, <a href="https://dmarc.org/tag/presentation/" rel="tag">presentation</a>, <a href="https://dmarc.org/tag/spf/" rel="tag">SPF</a>, <a href="https://dmarc.org/tag/tutorial/" rel="tag">tutorial</a> </span> </div> <div class="alba-blog-standard-post-footer-right"> <a href="https://dmarc.org/2015/07/email-authentication-basics-slide-deck-now-available/" class="alba-blog-permalink-btn">Read More</a> </div> <div class="clearboth"></div> </footer> </div> <div class="clearboth"></div> </article> <article id="post-354" class="alba-blog-standard-block post-354 post type-post status-publish format-standard hentry category-blog tag-dkim tag-dmarc tag-dnssec tag-dutch tag-holland tag-internet-society tag-ipv6 tag-netherlands tag-spf tag-testing tag-tls"> <div class="alba-blog-standard-block-imgs"> <div class="alba-blog-standard-block-img-carousel-wrapper alba-blog-standard-block-img-wrapper-remove"> <div class="alba-blog-standard-block-img-prev"></div> <div class="alba-blog-standard-block-img-next"></div> <div class="alba-blog-standard-block-img-carousel alba-blog-standard-block-img-remove"> <img src="https://dmarc.org/wp-content/uploads/2015/04/internet.nl-comcast.net-detail-2014-April-28.png" alt="internet.nl-comcast.net-detail-2014-April-28" /> <img src="https://dmarc.org/wp-content/uploads/2015/04/internet.nl-comcast.net-summary-2014-April-28.png" alt="internet.nl-comcast.net-summary-2014-April-28" /> </div> </div> </div> <div class="alba-blog-standard-block-content alba-blog-standard-has-images"> <header class="entry-header"> <h3 class="entry-title"><a href="https://dmarc.org/2015/04/new-site-checks-for-dmarc-dkim-spf-tls-dnssec-and-ipv6/" rel="bookmark">New Site Checks for DMARC, DKIM, SPF, TLS, DNSSEC, and IPv6</a></h3> <div class="entry-meta"> <i class="fa fa-calendar"></i> <a href="https://dmarc.org/2015/04/new-site-checks-for-dmarc-dkim-spf-tls-dnssec-and-ipv6/" title="12:48 pm" rel="bookmark"><time class="entry-date published" datetime="2015-04-29T12:48:17-07:00">April 29, 2015</time><time class="updated" datetime="2015-04-29T13:17:28-07:00">April 29, 2015</time></a><span class="byline"><span class="author vcard"> <i class="fa fa-user"></i> <a class="url fn n" href="https://dmarc.org/author/smj/" title="View all posts by Steve Jones" rel="author">Steve Jones</a></span></span> </div> </header> <div class="entry-content"> <p>An initiative organized by the Dutch government, industry organizations, and the Internet Society is offering a website where users can see if their email provider is using a range of modern Internet standards: IPv6, DNSSEC, TLS, DKIM, DMARC, and SPF. Use this link in English or this link in Dutch to access the site, which […]</p> </div> <footer class="alba-blog-standard-post-footer"> <div class="alba-blog-standard-post-footer-left"> <span class="cat-links"> <i class="fa fa-list"></i> Posted in <a href="https://dmarc.org/category/blog/" rel="category tag">Blog</a> </span> <span class="tags-links"> <i class="fa fa-tags"></i> Tags <a href="https://dmarc.org/tag/dkim/" rel="tag">DKIM</a>, <a href="https://dmarc.org/tag/dmarc/" rel="tag">DMARC</a>, <a href="https://dmarc.org/tag/dnssec/" rel="tag">DNSSEC</a>, <a href="https://dmarc.org/tag/dutch/" rel="tag">Dutch</a>, <a href="https://dmarc.org/tag/holland/" rel="tag">Holland</a>, <a href="https://dmarc.org/tag/internet-society/" rel="tag">Internet Society</a>, <a href="https://dmarc.org/tag/ipv6/" rel="tag">IPv6</a>, <a href="https://dmarc.org/tag/netherlands/" rel="tag">Netherlands</a>, <a href="https://dmarc.org/tag/spf/" rel="tag">SPF</a>, <a href="https://dmarc.org/tag/testing/" rel="tag">testing</a>, <a href="https://dmarc.org/tag/tls/" rel="tag">TLS</a> </span> </div> <div class="alba-blog-standard-post-footer-right"> <a href="https://dmarc.org/2015/04/new-site-checks-for-dmarc-dkim-spf-tls-dnssec-and-ipv6/" class="alba-blog-permalink-btn">Read More</a> </div> <div class="clearboth"></div> </footer> </div> <div class="clearboth"></div> </article> </div> <div id="secondary" class="widget-area" role="complementary"> <aside id="search-2" class="widget widget_search"><form role="search" method="get" class="search-form" action="https://dmarc.org/"> <label> <input type="search" class="search-field" placeholder="Search…" value="" name="s" title="Search for:" /> </label> <input type="submit" class="search-submit" value=" " /> </form></aside> <aside id="recent-posts-2" class="widget widget_recent_entries"> <h1 class="widget-title">Recent Posts</h1> <ul> <li> <a href="https://dmarc.org/2024/10/dmarc-org-at-sixth-jpaawg-general-meeting/">DMARC.org at Sixth JPAAWG 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