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vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contenidos</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mover a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">ocultar</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inicio</div> </a> </li> <li id="toc-Referencias" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referencias"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Referencias</span> </div> </a> <ul id="toc-Referencias-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Enlaces_externos" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Enlaces_externos"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Enlaces externos</span> </div> </a> <ul id="toc-Enlaces_externos-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contenidos" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Cambiar a la tabla de contenidos" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Cambiar a la tabla de contenidos</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Copia de carbón oculta</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Ir a un artículo en otro idioma. Disponible en 15 idiomas" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-15" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">15 idiomas</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/C%C3%B2pia_en_carb%C3%B3_oculta" title="Còpia en carbó oculta (catalán)" lang="ca" hreflang="ca" data-title="Còpia en carbó oculta" data-language-autonym="Català" data-language-local-name="catalán" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Blind_carbon_copy" title="Blind carbon copy (danés)" lang="da" hreflang="da" data-title="Blind carbon copy" data-language-autonym="Dansk" data-language-local-name="danés" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de badge-Q70894304 mw-list-item" title=""><a href="https://de.wikipedia.org/wiki/Blind_Carbon_Copy" title="Blind Carbon Copy (alemán)" lang="de" hreflang="de" data-title="Blind Carbon Copy" data-language-autonym="Deutsch" data-language-local-name="alemán" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Blind_carbon_copy" title="Blind carbon copy (inglés)" lang="en" hreflang="en" data-title="Blind carbon copy" data-language-autonym="English" data-language-local-name="inglés" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Bcc" title="Bcc (euskera)" lang="eu" hreflang="eu" data-title="Bcc" data-language-autonym="Euskara" data-language-local-name="euskera" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B1%D9%88%D9%86%D9%88%D8%B4%D8%AA_%DA%A9%D8%A7%D8%B1%D8%A8%D9%86%DB%8C_%D9%86%D8%A7%D9%BE%DB%8C%D8%AF%D8%A7" title="رونوشت کاربنی ناپیدا (persa)" lang="fa" hreflang="fa" data-title="رونوشت کاربنی ناپیدا" data-language-autonym="فارسی" data-language-local-name="persa" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Copia_conoscenza_nascosta" title="Copia conoscenza nascosta (italiano)" lang="it" hreflang="it" data-title="Copia conoscenza nascosta" data-language-autonym="Italiano" data-language-local-name="italiano" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%96%E3%83%A9%E3%82%A4%E3%83%B3%E3%83%89%E3%82%AB%E3%83%BC%E3%83%9C%E3%83%B3%E3%82%B3%E3%83%94%E3%83%BC" title="ブラインドカーボンコピー (japonés)" lang="ja" hreflang="ja" data-title="ブラインドカーボンコピー" data-language-autonym="日本語" data-language-local-name="japonés" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-nl badge-Q70894304 mw-list-item" title=""><a href="https://nl.wikipedia.org/wiki/Blind_carbon_copy" title="Blind carbon copy (neerlandés)" lang="nl" hreflang="nl" data-title="Blind carbon copy" data-language-autonym="Nederlands" data-language-local-name="neerlandés" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Ukryte_do_wiadomo%C5%9Bci" title="Ukryte do wiadomości (polaco)" lang="pl" hreflang="pl" data-title="Ukryte do wiadomości" data-language-autonym="Polski" data-language-local-name="polaco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/C%C3%B3pia_oculta" title="Cópia oculta (portugués)" lang="pt" hreflang="pt" data-title="Cópia oculta" data-language-autonym="Português" data-language-local-name="portugués" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Blind_carbon_copy" title="Blind carbon copy (Simple English)" lang="en-simple" hreflang="en-simple" data-title="Blind carbon copy" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Dold_kopia" title="Dold kopia (sueco)" lang="sv" hreflang="sv" data-title="Dold kopia" data-language-autonym="Svenska" data-language-local-name="sueco" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/BCC" title="BCC (turco)" lang="tr" hreflang="tr" data-title="BCC" data-language-autonym="Türkçe" data-language-local-name="turco" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%AF%86%E9%80%81" title="密送 (chino)" lang="zh" hreflang="zh" data-title="密送" data-language-autonym="中文" data-language-local-name="chino" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a 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herramientas"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Apariencia"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Apariencia</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mover a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">ocultar</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">De Wikipedia, la enciclopedia libre</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="es" dir="ltr"><div class="rellink noprint hatnote">«CCO» redirige aquí. Para el cargo empresarial relacionado con las relaciones públicas, véase <a href="/wiki/Chief_Communications_Officer_(CCO)" title="Chief Communications Officer (CCO)">Chief Communications Officer (CCO)</a>. </div> <p><b>Copia de carbón </b> o <b>con copia oculta</b><sup id="cite_ref-Thunderbird_1-0" class="reference separada"><a href="#cite_note-Thunderbird-1"><span class="corchete-llamada">[</span>1<span class="corchete-llamada">]</span></a></sup><sup id="cite_ref-Apple-es_2-0" class="reference separada"><a href="#cite_note-Apple-es-2"><span class="corchete-llamada">[</span>2<span class="corchete-llamada">]</span></a></sup><sup id="cite_ref-3" class="reference separada"><a href="#cite_note-3"><span class="corchete-llamada">[</span>3<span class="corchete-llamada">]</span></a></sup> (<b>CCO</b>) es un campo del encabezado de un mensaje de <a href="/wiki/Correo_electr%C3%B3nico" title="Correo electrónico">correo electrónico</a>. A diferencia del campo <b>Para</b> (o <b>A</b>) y la casilla <b><a href="/wiki/Copia_de_carb%C3%B3n" title="Copia de carbón">CC</a></b>, las direcciones de correo electrónico añadidas a <b>CCO</b> permanecen invisibles a los destinatarios del mensaje. En algunos proveedores de correo es necesario hacer clic en un enlace del encabezado para que aparezca este campo ("Añadir CCO", "Mostrar CCO" o "Mostrar CC: y CCO:"). Si no se traduce del inglés se lo encuentra como <b>BCC</b> (<i>Blind Carbon Copy</i>, "Copia de Carbón Ciega", si se traduce literalmente). Desde las opciones de estos proveedores suele ser posible hacer que esta casilla aparezca automáticamente. Esta casilla se usa con diferentes objetivos: </p> <ul><li>Para enviar una copia del mensaje a una tercera persona sin que el destinatario principal lo sepa (o cuando no se quiere que el destinatario principal conozca la dirección electrónica de dicha tercera persona).</li> <li>Para enviar o reenviar un mensaje a varios destinatarios sin que cada uno de ellos reciba las direcciones electrónicas de los demás. Esto es una precaución anti <a href="/wiki/Correo_basura" title="Correo basura">correo masivo</a>, <a href="/wiki/Virus_inform%C3%A1tico" title="Virus informático">virus</a> (y otro tipo de <a href="/wiki/Malware" title="Malware">malware</a>), <a href="/wiki/Bulo" title="Bulo">bulos</a> y <a href="/wiki/Phishing" title="Phishing">suplantación de identidad</a> porque evita que los destinatarios propaguen gran cantidad de direcciones de correo electrónico (que es lo que ocurre si se ponen las direcciones en los campos <b>Para</b> o <b>CC</b>), con el riesgo de que caigan en manos de remitentes de correo masivo y /o de virus (u otro tipo de <i>badware</i>), <i>hoax</i> y mensajes con suplantación de identidad. Por esta razón, a menudo tiene sentido usar <b>CCO</b> en las listas de correo.</li></ul> <p>En principio (salvo en algunos proveedores de correo web) es posible enviar un mensaje a todas las direcciones como <b>CCO</b>, sin que necesariamente deba ponerse algo en el campo <b>Para</b>, algunos rellenan el campo con "Destinatarios ocultos" ('<i>Undisclosed recipients</i> en inglés)'. Sin embargo, en caso de que el cliente de correo exija escribir un destinatario en este campo, la recomendación más habitual es utilizar la dirección del propio remitente del correo, o una dirección falsa, de esta manera se preserva la privacidad de todos los destinatarios. </p> <div class="mw-heading mw-heading2"><h2 id="Referencias">Referencias</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Copia_de_carb%C3%B3n_oculta&action=edit&section=1" title="Editar sección: Referencias"><span>editar</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="listaref" style="list-style-type: decimal;"><ol class="references"> <li id="cite_note-Thunderbird-1"><span class="mw-cite-backlink"><a href="#cite_ref-Thunderbird_1-0">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.mozilla-hispano.org/documentacion/Preguntas_frecuentes_sobre_SeaMonkey:Correo_y_noticias#.C2.BFQu.C3.A9_diferencia_hay_entre_CC_y_BCC.3F">Diferencias entre CC y BCC</a></span> </li> <li id="cite_note-Apple-es-2"><span class="mw-cite-backlink"><a href="#cite_ref-Apple-es_2-0">↑</a></span> <span class="reference-text">apple.com, <a rel="nofollow" class="external text" href="http://docs.info.apple.com/article.html?path=Mail/2.0/es/ml35.html">Mail 2.0 Help (en castellano)</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20111011233338/http://docs.info.apple.com/article.html?path=Mail%2F2.0%2Fes%2Fml35.html">Archivado</a> el 11 de octubre de 2011 en <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text">office.microsoft.com, <a rel="nofollow" class="external text" href="https://web.archive.org/web/20100212021233/http://office.microsoft.com/es-es/outlook/HA010565133082.aspx">¿Qué significan los campos CC y CCO en un mensaje de correo de Outlook?</a></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Enlaces_externos">Enlaces externos</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Copia_de_carb%C3%B3n_oculta&action=edit&section=2" title="Editar sección: Enlaces externos"><span>editar</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://www.osi.es/actualidad/blog/2013/10/29/correos-para-muchos-destinatarios-haz-uso-de-cco.html">Página para la difusión del uso de la copia oculta, de la Oficina de seguridad del internauta</a></li></ul> <style data-mw-deduplicate="TemplateStyles:r161257576">.mw-parser-output .mw-authority-control{margin-top:1.5em}.mw-parser-output .mw-authority-control .navbox 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