{"id":8,"date":"2025-07-21T00:00:00","date_gmt":"2025-07-21T00:00:00","guid":{"rendered":"http:\/\/192.168.14.135\/index.php\/2025\/07\/21\/email-routing-subaddressing-support-in-email-routing\/"},"modified":"2025-07-21T00:00:00","modified_gmt":"2025-07-21T00:00:00","slug":"email-routing-subaddressing-support-in-email-routing","status":"publish","type":"post","link":"https:\/\/wordpress.securinsight.ca\/index.php\/2025\/07\/21\/email-routing-subaddressing-support-in-email-routing\/","title":{"rendered":"Email Routing &#8211; Subaddressing support in Email Routing"},"content":{"rendered":"<p>Subaddressing, as defined in <a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc5233\" target=\"_blank\">RFC 5233<\/a>, also known as plus addressing, is now supported in Email Routing. This enables using the &#8220;+&#8221; separator to augment your custom addresses with arbitrary detail information.<\/p>\n<p>Now you can send an email to <code>user+detail@example.com<\/code> and it will be captured by the <code>user@example.com<\/code> custom address. The <code>+detail<\/code> part is ignored by Email Routing, but it can be captured next in the processing chain in the logs, an <a href=\"https:\/\/developers.cloudflare.com\/email-routing\/email-workers\/\">Email Worker<\/a> or an <a href=\"https:\/\/github.com\/cloudflare\/agents\/tree\/main\/examples\/email-agent\" target=\"_blank\">Agent application<\/a>.<\/p>\n<p>Customers can use this feature to dynamically add context to their emails, such as tracking the source of an email or categorizing emails without needing to create multiple custom addresses.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/developers.cloudflare.com\/_astro\/subaddressing.x65bljxx_Z1DjNfi.webp\" alt=\"Subaddressing\"\/><\/p>\n<p>Check our <a href=\"https:\/\/developers.cloudflare.com\/email-routing\/setup\/email-routing-addresses\/#subaddressing\">Developer Docs<\/a> to learn on to enable subaddressing in Email Routing.<\/p>","protected":false},"excerpt":{"rendered":"<p>Subaddressing, as defined in RFC 5233, also known as plus addressing, is now supported in Email Routing. This enables using the &#8220;+&#8221; separator to augment your custom addresses with arbitrary detail information. Now you can send an email to user+detail@example.com and it will be captured by the user@example.com custom address. The +detail part is ignored [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/wordpress.securinsight.ca\/index.php\/wp-json\/wp\/v2\/posts\/8","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.securinsight.ca\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wordpress.securinsight.ca\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress.securinsight.ca\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress.securinsight.ca\/index.php\/wp-json\/wp\/v2\/comments?post=8"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.securinsight.ca\/index.php\/wp-json\/wp\/v2\/posts\/8\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.securinsight.ca\/index.php\/wp-json\/wp\/v2\/media?parent=8"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.securinsight.ca\/index.php\/wp-json\/wp\/v2\/categories?post=8"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.securinsight.ca\/index.php\/wp-json\/wp\/v2\/tags?post=8"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}