Deploying to gh-pages from @ mailcow/mailcow-dockerized-docs@3124625714 🚀

u_e-mailcow_ui-tagging/index.html

@@ -1918,6 +1918,7 @@
                 
                 <p>Mailbox users can tag their mail address like in <code>me+facebook@example.org</code>. They can control the tag handling in the users <strong>mailcow UI</strong> panel.
 <img alt="mailcow mail tagging settings" src="../images/mailcow-tagging.png" /></p>
+<p><em>Tagging is also known as 'sub-addressing' (RFC 5233) or 'plus addressing'</em></p>
 <h3 id="available-actions">Available Actions<a class="headerlink" href="#available-actions" title="Permanent link">&para;</a></h3>
 <p>1. Move this message to a sub folder "facebook" (will be created lower case if not existing)</p>
 <p>2. Prepend the tag to the subject: "[facebook] Subject"</p>