NRW.social

SantiagoSysadmins del fediverso, que score usan para Spamassassin? <a href="https://mastodon.uy/tags/spam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spam</a> <a href="https://mastodon.uy/tags/spamassassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spamassassin</a> <a href="https://mastodon.uy/tags/sysadmin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sysadmin</a> <a href="https://mastodon.uy/tags/correo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#correo</a> <a href="https://mastodon.uy/tags/email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#email</a> <a href="https://mastodon.uy/tags/postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#postfix</a> <a href="https://mastodon.uy/tags/dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dovecot</a>

Heinlein SupportDu hast die Chemnitzer <a href="https://social.heinlein-support.de/tags/Linux" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Linux</a> Tage 2025 verpasst? Kein Problem! Ab sofort findest Du die Videoaufzeichnung und die Vortragsfolien der beiden Heinlein-Vorträge auch in unserem Expertise-Blog.👉 Du möchtest mehr über den <a href="https://social.heinlein-support.de/tags/Ceph" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Ceph</a> Orchestrator als Bestandteil eines Ceph-Storage-Systems erfahren? <a href="https://www.heinlein-support.de/blog/vortrag/ceph-orchestrator-container-fuer-storage" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.heinlein-support.de/blog/vortrag/ceph-orchestrator-container-fuer-storage</a>👉 Für alle, die einen eigenen <a href="https://social.heinlein-support.de/tags/Mailserver" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Mailserver</a> betreiben möchten: Was ist aktuell mit <a href="https://social.heinlein-support.de/tags/SpamAssassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpamAssassin</a> in der Spamabwehr möglich? <a href="https://www.heinlein-support.de/blog/vortrag/spamassassin" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.heinlein-support.de/blog/vortrag/spamassassin</a><a href="https://social.heinlein-support.de/tags/clt2025" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#clt2025</a> <a href="https://social.heinlein-support.de/tags/HeinleinVortr%C3%A4ge" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HeinleinVorträge</a>

:rss: Hacker NewsiCloud Mail has DNS misconfigured? <a href="https://www.mail-tester.com/test-p3tdhnk3o" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.mail-tester.com/test-p3tdhnk3o</a> <a href="https://rss-mstdn.studiofreesia.com/tags/ycombinator" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ycombinator</a> <a href="https://rss-mstdn.studiofreesia.com/tags/mail" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mail</a> <a href="https://rss-mstdn.studiofreesia.com/tags/tester" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#tester</a> <a href="https://rss-mstdn.studiofreesia.com/tags/test" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#test</a> <a href="https://rss-mstdn.studiofreesia.com/tags/results" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#results</a> <a href="https://rss-mstdn.studiofreesia.com/tags/check" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#check</a> <a href="https://rss-mstdn.studiofreesia.com/tags/email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#email</a> <a href="https://rss-mstdn.studiofreesia.com/tags/spam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spam</a> <a href="https://rss-mstdn.studiofreesia.com/tags/spamassassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spamassassin</a>

:rss: Hacker NewsiCloud Mail has DNS misconfigured <a href="https://www.mail-tester.com/test-p3tdhnk3o" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.mail-tester.com/test-p3tdhnk3o</a> <a href="https://rss-mstdn.studiofreesia.com/tags/ycombinator" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ycombinator</a> <a href="https://rss-mstdn.studiofreesia.com/tags/mail" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mail</a> <a href="https://rss-mstdn.studiofreesia.com/tags/tester" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#tester</a> <a href="https://rss-mstdn.studiofreesia.com/tags/test" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#test</a> <a href="https://rss-mstdn.studiofreesia.com/tags/results" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#results</a> <a href="https://rss-mstdn.studiofreesia.com/tags/check" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#check</a> <a href="https://rss-mstdn.studiofreesia.com/tags/email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#email</a> <a href="https://rss-mstdn.studiofreesia.com/tags/spam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spam</a> <a href="https://rss-mstdn.studiofreesia.com/tags/spamassassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spamassassin</a>

Marcos Dione"The stats we collect for the <a href="https://en.osm.town/tags/SpamAssassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpamAssassin</a> project (mass-scan results from participating sites) have long shown that spammers are more consistent at making <a href="https://en.osm.town/tags/SPF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SPF</a>, <a href="https://en.osm.town/tags/DKIM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DKIM</a>, and <a href="https://en.osm.town/tags/DMARC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DMARC</a> correct than are legitimate senders. DMARC in particular has no discernible benefit for most senders, so it is a useless signal.Rejecting mail based solely on authentication failures of those deeply flawed authentication methods does more harm than good."<a href="https://www.jwz.org/blog/2025/03/dmarc-and-spf/#comment-257743" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.jwz.org/blog/2025/03/dmarc-and-spf/#comment-257743</a>EDIT: h/t <a href="https://toad.social/@grumpybozo" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@grumpybozo</a><a href="https://en.osm.town/tags/mail" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mail</a>

🆘Bill Cole 🇺🇦<a href="https://mastodon.social/@nielsk" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@nielsk</a> <a href="https://social.monoxide.network/users/neel" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@neel</a> <a href="https://mastodon.social/@jwz" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@jwz</a> Right. Both SPF and DKIM can be useful as *positive* signals. That's why we have welcomelist_{spf,dkim,auth} directives in <a href="https://toad.social/tags/SpamAssassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpamAssassin</a>: so you can protect mail from known-good domains only when it passes some sort of authentication.

🆘Bill Cole 🇺🇦I have never had any social media posting blow up over anything like this post about mail authentication and <a href="https://toad.social/tags/SpamAssassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpamAssassin</a>. Glad people aren't angry at me...

🆘Bill Cole 🇺🇦<a href="https://mastodon.social/@jwz" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@jwz</a> The stats we collect for the <a href="https://toad.social/tags/SpamAssassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpamAssassin</a> project (mass-scan results from participating sites) have long shown that spammers are more consistent at making SPF, DKIM, and DMARC correct than are legitimate senders. DMARC in particular has no discernible benefit for most senders, so it is a useless signal. Rejecting mail based solely on authentication failures of those deeply flawed authentication methods does more harm than good.

Heinlein SupportTag 2 der Chemnitzer Linux-Tage läuft. Wie immer eine großartige Veranstaltung mit spannenden Vorträgen und tollem Publikum. Nachdem unsere Kollegen gestern schon Vorträge zu <a href="https://social.heinlein-support.de/tags/SpamAssassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpamAssassin</a> und <a href="https://social.heinlein-support.de/tags/Ceph" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Ceph</a> halten durften, sind heute Vorträge von <a href="https://social.heinlein-support.de/tags/OpenCloud" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#OpenCloud</a> und <a href="https://social.heinlein-support.de/tags/OpenTalk" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#OpenTalk</a> im Programm. Um 12 Uhr in Raum V7 geht's los - vor Ort oder im Live-Stream. Wir freuen uns auf Sie!Zum Programm: <a href="https://chemnitzer.linux-tage.de/2025/de/programm/vortraege" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://chemnitzer.linux-tage.de/2025/de/programm/vortraege</a><a href="https://social.heinlein-support.de/tags/OpenSource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#OpenSource</a> <a href="https://social.heinlein-support.de/tags/CLT2025" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CLT2025</a> <a href="https://social.heinlein-support.de/tags/HeinleinGruppe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HeinleinGruppe</a>

Neustradamus :xmpp: :linux:<a href="https://mastodon.social/tags/ProxmoxMailGateway" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ProxmoxMailGateway</a> 8.2 has been released (<a href="https://mastodon.social/tags/Proxmox" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Proxmox</a> / <a href="https://mastodon.social/tags/ProxmoxMG" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ProxmoxMG</a> / <a href="https://mastodon.social/tags/MailGateway" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MailGateway</a> / <a href="https://mastodon.social/tags/ZFS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ZFS</a> / <a href="https://mastodon.social/tags/OpenZFS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#OpenZFS</a> / <a href="https://mastodon.social/tags/SpamAssassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpamAssassin</a> / <a href="https://mastodon.social/tags/Postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Postfix</a> / <a href="https://mastodon.social/tags/PostgreSQL" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PostgreSQL</a> / <a href="https://mastodon.social/tags/Linux" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Linux</a> / <a href="https://mastodon.social/tags/Debian" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Debian</a> / <a href="https://mastodon.social/tags/Bookworm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Bookworm</a> / <a href="https://mastodon.social/tags/DebianBookworm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DebianBookworm</a>) <a href="https://proxmox.com/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://proxmox.com/</a>

🆘Bill Cole 🇺🇦Is it really possible for svn.apache.org to be down and only the <a href="https://toad.social/tags/SpamAssassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpamAssassin</a> utility host and me to notice? <a href="https://toad.social/tags/TheASF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TheASF</a> <a href="https://toad.social/tags/SpamAssassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpamAssassin</a> <a href="https://toad.social/tags/Sysadminnery" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Sysadminnery</a>

Matthew Saunders BrownI had to increase maximum size for spam scanned messages on a bunch mail servers.Spamassassin is a tool that scans messages to identify spam. By default it skips messages over 512K. Scanning larger messages is resource intensive and it used to be that spammers kept their messages to a minimum size to be efficient when sending large volumes of mail.Well I've notice a slew of spam messages coming in right around 613K recently. They have image attachments that seem to be designed specifically to get past the 512K threshold.Increased the spamc max-size var to 1048576 and these f*#$@ers are going back to the Junk bin.p.s. Also increased the post size limit on norcal.social to allow for this post in it's entirety. Posts can now be 1024 characters, up from 500. Carry on.<a href="https://norcal.social/tags/spamassassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spamassassin</a> <a href="https://norcal.social/tags/spam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spam</a> <a href="https://norcal.social/tags/email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#email</a> <a href="https://norcal.social/tags/linux" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#linux</a> <a href="https://norcal.social/tags/exim4" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#exim4</a>

CybsoIrgendwie bin ich vielleicht einem Bug im <a href="https://osna.social/tags/SPF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SPF</a>-Modul von <a href="https://osna.social/tags/Spamassassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Spamassassin</a> auf der Spur. Ich habe heute 10 Stunden Dokus gelesen, mich durch den Perl-Quelltext gewühlt, verschiedene Konfigurationen ausprobiert und bestimmt 100 Testmails geschickt. Am Ende verhärtet sich der Verdacht, dass der Parser für die SPF-Regeln vielleicht ein Problem hat. Aber jetzt erst einmal Wochenende, Montag geht's weiter. Wenn ich das schaffe abzuschalten.

🆘Bill Cole 🇺🇦This is one reason I’m glad we've never moved real work on <a href="https://toad.social/tags/SpamAssassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpamAssassin</a> to git & esp. not to GitHub. We drop a read-only replica there, but it is strictly read-only, with the real work in <a href="https://toad.social/tags/ASF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ASF</a>’s SVN. We do not have anything like the dev/admin bandwidth to triage garbage PRs. We get slop in the Bugzilla occasionally but so far no one has bothered trying to do that at scale.A <a href="https://toad.social/tags/FOSS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#FOSS</a> project can be TOO open (!) if it lacks governance capacity to repel <a href="https://toad.social/tags/InfoSec" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#InfoSec</a> threats. <a href="https://fosstodon.org/@ocefpaf/113949783224650683" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://fosstodon.org/@ocefpaf/113949783224650683</a>

IBBoardSo, apparently I can't inspect the `Authentication-Results` in Amavis/SpamAssassin rules. Presumably because it isn't written when the rules are evaluated.So I can see the DKIM_SIGNED and DKIM_INVALID rules, but I don't seem to be able to see _why_ it is invalid (e.g. it timed out) in other rules. Which is annoying when one server keeps getting DNS timeouts in the lookup even though it's legit 😐<a href="https://hachyderm.io/tags/SpamAssassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpamAssassin</a> <a href="https://hachyderm.io/tags/Amavis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Amavis</a> <a href="https://hachyderm.io/tags/SysadminProblems" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SysadminProblems</a>

HaukeÜber Weihnachten werde ich zusätzlich zu <a href="https://nrw.social/tags/Spamassassin" class="mention hashtag" rel="tag">#Spamassassin</a> auch mal <a href="https://nrw.social/tags/rspamd" class="mention hashtag" rel="tag">#rspamd</a> testen.

🆘Bill Cole 🇺🇦<a href="https://toad.social/tags/PSA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PSA</a> for <a href="https://toad.social/tags/SpamAssassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpamAssassin</a> Users: it is not a bug that SA doesn't ignore unusual characteristics of <a href="https://toad.social/tags/email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#email</a>. It's THE feature. If you open a bug asking us to skip headers that are likely to specifically identify the mail body and/or sending system, perhaps because in YOUR mail they are common noise, you really look like a spammer trying to rig deliverability. <a href="https://toad.social/tags/OpenSource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#OpenSource</a> <a href="https://toad.social/tags/InfoSec" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#InfoSec</a> tools like SA are designed and refined in public, not in a Bugzilla. One most defend one's change ideas.<a href="https://toad.social/tags/Spammers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Spammers</a> <a href="https://toad.social/tags/Spam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Spam</a>

@wpnAbout <a href="https://livellosegreto.it/tags/XMPP" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#XMPP</a> and <a href="https://livellosegreto.it/tags/Email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Email</a> services:@wpn `woodpeckersnest.space/eu` is running <a href="https://livellosegreto.it/tags/Prosody" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Prosody</a> with <a href="https://livellosegreto.it/tags/biboumi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#biboumi</a> <a href="https://livellosegreto.it/tags/IRC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#IRC</a> gateway to XMPP and <a href="https://livellosegreto.it/tags/Postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Postfix</a> <a href="https://livellosegreto.it/tags/Dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Dovecot</a> <a href="https://livellosegreto.it/tags/Spamassassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Spamassassin</a> <a href="https://livellosegreto.it/tags/Roundcube" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Roundcube</a> for email, on <a href="https://livellosegreto.it/tags/Debian" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Debian</a> Stable.Services list and status: <a href="https://health.woodpeckersnest.space/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://health.woodpeckersnest.space/</a>

🆘Bill Cole 🇺🇦<a href="https://toot.ale.gd/@yvan" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@yvan</a> As one of the custodians of <a href="https://toad.social/tags/SpamAssassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpamAssassin</a>, I have to say that rspamd is really the state-of-the-art tool, although its author has some dubious opinions on some of the gory details of parsing email.

YvanSo falling back on the old self-hosted email infrastructure... from being mainly a gmail user. The first obvious thing I notice is the good old <a href="https://toot.ale.gd/tags/spam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spam</a> of course. I used to run <a href="https://toot.ale.gd/tags/spamassassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spamassassin</a> (a piece of software upon which I have ... "views" - I used to have to work on its guts, they weren't pretty)... but what is the state-of-the-art for self-hosted <a href="https://toot.ale.gd/tags/antispam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#antispam</a> these days?I do have some standard DNSBLs set up, as I always have.

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