Peter N. M. Hansteen<p>I interpret the following</p><p>Apr 20 18:38:09 skapet spamd[52874]: (GREY) 117.53.153.22: <> -> <spfilter-2.sel01.mschosting.com-1745167076-testing@ehtrib.org></p><p>As a sign there are still, er, individuals out there who think SMTP callbacks were a good idea. </p><p>Please have them read "Twenty-plus years on, SMTP callbacks are still pointless and need to die" (2017) <a href="https://nxdomain.no/~peter/twenty-plus_years_on_smtp_callbacks_are_still_pointless.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">nxdomain.no/~peter/twenty-plus</span><span class="invisible">_years_on_smtp_callbacks_are_still_pointless.html</span></a></p><p><a href="https://mastodon.social/tags/spam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spam</span></a> <a href="https://mastodon.social/tags/spamd" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spamd</span></a> <a href="https://mastodon.social/tags/smtp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>smtp</span></a> <a href="https://mastodon.social/tags/callbacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>callbacks</span></a> <a href="https://mastodon.social/tags/email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>email</span></a> <a href="https://mastodon.social/tags/mail" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mail</span></a> <a href="https://mastodon.social/tags/antispam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>antispam</span></a> <a href="https://mastodon.social/tags/cybercrime" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cybercrime</span></a> <a href="https://mastodon.social/tags/shitheads" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>shitheads</span></a> <a href="https://mastodon.social/tags/imbeciles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>imbeciles</span></a> <a href="https://mastodon.social/tags/incompetence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>incompetence</span></a></p>