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#postfix

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Dan Langille<p>On <a href="https://bsd.network/tags/FreeBSD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FreeBSD</span></a> 14.2, can postfix be enabled and dma disabled without touching /etc/mail/mailer.conf and only modifying /usr/local/etc/mailer.conf?</p><p>man 5 mailer.conf mentions /etc/mail/mailer.conf</p><p>man 8 mailwrapper mentions ${LOCALBASE}/etc/mail/mailer.conf</p><p>I am sure I read docs somewhere mentioning /usr/local/etc/mail/mailer.conf</p><p>I know postfix pkg-message mentions it:</p><p> - install -m 0644 /usr/local/share/postfix/mailer.conf.postfix /usr/local/etc/mail/mailer.conf</p><p><a href="https://cgit.freebsd.org/ports/tree/mail/postfix/files/pkg-message.in#n15" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">cgit.freebsd.org/ports/tree/ma</span><span class="invisible">il/postfix/files/pkg-message.in#n15</span></a></p><p>I ask because I have reports of dma and <a href="https://bsd.network/tags/postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>postfix</span></a> both appearing in /var/log/maillog</p><p>Oh wait, it might be as simple as directory permissions on /usr/local/etc/mail not being o+rx</p><p>Tomorrow will tell.</p>
:debian: 𝚜𝚎𝚕𝚎𝚊 :opensuse:<p>I find it really sad that Trusteddomainproject (authors of OpenDMARC) is basically dead</p><p><a href="https://social.linux.pizza/tags/postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>postfix</span></a> <a href="https://social.linux.pizza/tags/dmarc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dmarc</span></a> <a href="https://social.linux.pizza/tags/smtp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>smtp</span></a></p>
r1w1s1Nice! I gave <a href="https://snac.bsd.cafe?t=opensmtpd" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#OpenSMTPD</a> a try recently — it worked fine, but in my tests it wasn’t as fast as <a href="https://snac.bsd.cafe?t=postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Postfix</a>. Still, I really appreciated how clean and easy the OpenSMTPD config is to understand.<br><br>CC: <span class="h-card"><a href="https://io.mwl.io/users/mwl" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@mwl@io.mwl.io</a></span><br>
Mikael Hansson<p>This weekend's project:<br>Replaced my <a href="https://hachyderm.io/tags/Postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Postfix</span></a> <a href="https://hachyderm.io/tags/MTA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MTA</span></a> <a href="https://hachyderm.io/tags/mailserver" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mailserver</span></a> with a new one. I had been running a <a href="https://hachyderm.io/tags/Ubuntu" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Ubuntu</span></a> based one since 2020, and it didn't deal well with an in-place upgrade.</p><p>New machine set up on <a href="https://hachyderm.io/tags/Debian" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Debian</span></a> 12, with a bunch of tips stolen from <span class="h-card" translate="no"><a href="https://io.mwl.io/@mwl" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>mwl</span></a></span> 's book Run Your Own Mail Server (<a href="https://mwl.io/nonfiction/tools#ryoms" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">mwl.io/nonfiction/tools#ryoms</span><span class="invisible"></span></a>) and from the ISPMail guide (<a href="https://workaround.org/ispmail-bookworm/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">workaround.org/ispmail-bookwor</span><span class="invisible">m/</span></a>)</p>
Éric V.<p>Do any email sysadmin understand what's the difference between StartTLS and x509 scores in the MECSA report?<br>How to go from orange to green score? What requirements must the certificate have and is it possible with LetsEncrypt?</p><p>relevant links <a href="https://mecsa.jrc.ec.europa.eu/faq#section2" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mecsa.jrc.ec.europa.eu/faq#sec</span><span class="invisible">tion2</span></a> and <a href="https://mecsa.jrc.ec.europa.eu/en/technical#x509" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mecsa.jrc.ec.europa.eu/en/tech</span><span class="invisible">nical#x509</span></a></p><p><a href="https://mamot.fr/tags/security" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>security</span></a> <a href="https://mamot.fr/tags/letsencrypt" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>letsencrypt</span></a> <a href="https://mamot.fr/tags/email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>email</span></a> <a href="https://mamot.fr/tags/sysadmin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sysadmin</span></a> <a href="https://mamot.fr/tags/postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>postfix</span></a> <a href="https://mamot.fr/tags/certificate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>certificate</span></a> <a href="https://mamot.fr/tags/x509" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>x509</span></a> <a href="https://mamot.fr/tags/europe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>europe</span></a> <a href="https://mamot.fr/tags/selfhosted" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>selfhosted</span></a></p>
Schenkl<p>Ein Worst-Case tritt gerade ein: Ich muss mich mit <a href="https://chaos.social/tags/Postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Postfix</span></a> außeinandersetzen 🙄</p>
Santiago<p>Sysadmins del fediverso, que score usan para Spamassassin? <a href="https://mastodon.uy/tags/spam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spam</span></a> <a href="https://mastodon.uy/tags/spamassassin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spamassassin</span></a> <a href="https://mastodon.uy/tags/sysadmin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sysadmin</span></a> <a href="https://mastodon.uy/tags/correo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>correo</span></a> <a href="https://mastodon.uy/tags/email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>email</span></a> <a href="https://mastodon.uy/tags/postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>postfix</span></a> <a href="https://mastodon.uy/tags/dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dovecot</span></a></p>
Joaquim Homrighausen<p>An alternative to pflogsumm, depending on your needs 😉 </p><p><a href="https://github.com/joho1968/scriptfu/blob/main/pflogpy.py" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/joho1968/scriptfu/b</span><span class="invisible">lob/main/pflogpy.py</span></a></p><p><a href="https://mastodon.online/tags/code" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>code</span></a> <a href="https://mastodon.online/tags/python" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>python</span></a> <a href="https://mastodon.online/tags/pflogsumm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pflogsumm</span></a> <a href="https://mastodon.online/tags/postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>postfix</span></a> <a href="https://mastodon.online/tags/logsummary" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>logsummary</span></a> <a href="https://mastodon.online/tags/devops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>devops</span></a> <a href="https://mastodon.online/tags/report" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>report</span></a> <a href="https://mastodon.online/tags/logs" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>logs</span></a> <a href="https://mastodon.online/tags/mta" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mta</span></a> <a href="https://mastodon.online/tags/oss" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oss</span></a> <a href="https://mastodon.online/tags/foss" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>foss</span></a> <a href="https://mastodon.online/tags/unlicense" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>unlicense</span></a></p>
gary<p><span class="h-card" translate="no"><a href="https://mastodon.social/@gerowen" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>gerowen</span></a></span> running your own mailserver ncan be a minor timesink but also probably well worth it - email is the original killer app. there are quite a few ways you can do it. I set up logwatch to send out mail to gmail and it is always spotty <a href="https://infosec.exchange/tags/rroundcube" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rroundcube</span></a> <a href="https://infosec.exchange/tags/postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>postfix</span></a> <a href="https://infosec.exchange/tags/own" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>own</span></a> mailbox this may run better on a vm or a vps/vpn combo - you are more advanced, i see this as a good project for you and me both really but email is a deep pocket of knowledge - lots of knobs and options</p><p>also caveat this is like c 2015 but i like the concept</p><p><a href="https://www.cnx-software.com/2015/09/18/own-mailbox-is-a-tiny-secure-and-open-source-hardware-mail-server-crowdfunding/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">cnx-software.com/2015/09/18/ow</span><span class="invisible">n-mailbox-is-a-tiny-secure-and-open-source-hardware-mail-server-crowdfunding/</span></a></p>
DeltaLima 🐧<p>Hey <a href="https://social.la10cy.net/tags/Sysadmin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Sysadmin</span></a>|s of the fediverse, I want to ask you for some recommendation, I want to get rid of my old and molden mailsystem.</p><p>I just need Mail for a couple accounts and domains for myself and some friends. Would be nice to have a WebGUI, but is not a must.</p><p><a href="https://social.la10cy.net/tags/selfhosting" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>selfhosting</span></a> <a href="https://social.la10cy.net/tags/mail" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mail</span></a> <a href="https://social.la10cy.net/tags/mailsystem" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mailsystem</span></a> <a href="https://social.la10cy.net/tags/email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>email</span></a> <a href="https://social.la10cy.net/tags/postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>postfix</span></a> <a href="https://social.la10cy.net/tags/smtp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>smtp</span></a> <a href="https://social.la10cy.net/tags/courier" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>courier</span></a></p>
Éric V.<p>For <a href="https://mamot.fr/tags/email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>email</span></a> configuration and <a href="https://mamot.fr/tags/security" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>security</span></a> check, the European Commission provides a great tool: MECSA <a href="https://mecsa.jrc.ec.europa.eu/en/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">mecsa.jrc.ec.europa.eu/en/</span><span class="invisible"></span></a><br>conclusion: I still have some improvements to implement on my own server<br><a href="https://mamot.fr/tags/sysadmin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sysadmin</span></a> <a href="https://mamot.fr/tags/linux" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>linux</span></a> <a href="https://mamot.fr/tags/postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>postfix</span></a> <a href="https://mamot.fr/tags/DKIM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DKIM</span></a> <a href="https://mamot.fr/tags/DMARC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DMARC</span></a> <a href="https://mamot.fr/tags/DNSSEC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DNSSEC</span></a> <a href="https://mamot.fr/tags/selfhosting" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>selfhosting</span></a></p>
Stéphane Bortzmeyer<p><a href="https://mastodon.gougere.fr/tags/sysAdmin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sysAdmin</span></a> <a href="https://mastodon.gougere.fr/tags/Postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Postfix</span></a><br>Ah, je viens d'avoir le "unexpected attribute smtputf8 from xxx socket (expecting: sendopts)" Voilà ce qui arrive quand on ne lit pas les release notes.<br>(Executive summary : redémarrez Postfix.)</p>
Stuart Longland (VK4MSL)<p>Well, after a lot of swearing… I *think* I have a Raspberry Pi 400 running <a href="https://aus.social/tags/AlpineLinux" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AlpineLinux</span></a> … tethered to my 4G phone hotspot … acting as a crude WiFi router/bridge for my border router running <a href="https://aus.social/tags/OpenBSD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenBSD</span></a> which is tunnelling to my OpenBSD VPS at Binary Lane.</p><p>Over that tunnel, I now have <a href="https://aus.social/tags/Postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Postfix</span></a> on the home mail server, relaying over the VPN to <a href="https://aus.social/tags/OpenSMTPD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenSMTPD</span></a> on the VPS.</p><p>Should be useful the day I have to leave Internode… but for now, it's bypassing the rather dead NBN service (thank-you <a href="https://aus.social/tags/CycloneAlfred" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CycloneAlfred</span></a>).</p>
Joaquim Homrighausen<p>Why can't I get a Docker container (using docker-compose) to access Postfix running on the host on port 25? 🤔 </p><p>I must be missing something, obviously 😎 </p><p>Any takers? </p><p><a href="https://mastodon.online/tags/docker" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>docker</span></a> <a href="https://mastodon.online/tags/postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>postfix</span></a> <a href="https://mastodon.online/tags/devops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>devops</span></a> <a href="https://mastodon.online/tags/sysadmin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sysadmin</span></a> <a href="https://mastodon.online/tags/linux" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>linux</span></a></p>
Delta Chat<p><span class="h-card" translate="no"><a href="https://mastodon.social/@mavu" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>mavu</span></a></span> We use <a href="https://chaos.social/tags/postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>postfix</span></a> in <a href="https://chaos.social/tags/chatmail" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>chatmail</span></a> setup, and so does <span class="h-card" translate="no"><a href="https://mailcow.social/@doncow" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>doncow</span></a></span> </p><p>It is well-documented and in our setup at <a href="https://github.com/chatmail/server" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">github.com/chatmail/server</span><span class="invisible"></span></a> there are only two small postfix configs.</p>
Julien Riou<p>I've Got Mail <a href="https://bonesmoses.org/2025/ive-got-mail/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">bonesmoses.org/2025/ive-got-ma</span><span class="invisible">il/</span></a></p><p><a href="https://hachyderm.io/tags/email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>email</span></a> <a href="https://hachyderm.io/tags/postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>postfix</span></a> <a href="https://hachyderm.io/tags/postgrey" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>postgrey</span></a> <a href="https://hachyderm.io/tags/dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dovecot</span></a> <a href="https://hachyderm.io/tags/roundcube" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>roundcube</span></a> <a href="https://hachyderm.io/tags/dns" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dns</span></a> <a href="https://hachyderm.io/tags/dkim" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dkim</span></a> <a href="https://hachyderm.io/tags/dmarc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dmarc</span></a> <a href="https://hachyderm.io/tags/mailinabox" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mailinabox</span></a> <a href="https://hachyderm.io/tags/mailu" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mailu</span></a> <a href="https://hachyderm.io/tags/mailcow" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mailcow</span></a> <a href="https://hachyderm.io/tags/stalwart" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>stalwart</span></a> <a href="https://hachyderm.io/tags/protonmail" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>protonmail</span></a> <a href="https://hachyderm.io/tags/python" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>python</span></a></p>
Mr.Generation<p>Service-Post für Mail-Server-Betreiber:</p><p>NixSpam DNSBL von Heise / Manitu ist nach einer grace period nicht länger im Service und gibt nun Fehlercodes zurück. Entfernt ix.dnsbl.manitu.net aus euren MTA-Konfigurationen.</p><p><a href="https://soziale.cloud/tags/opensource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opensource</span></a> <a href="https://soziale.cloud/tags/email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>email</span></a> <a href="https://soziale.cloud/tags/mta" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mta</span></a> <a href="https://soziale.cloud/tags/postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>postfix</span></a> <a href="https://soziale.cloud/tags/rspamd" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rspamd</span></a></p>
Colin Cogle :verified:<p><span class="h-card" translate="no"><a href="https://mastodon.social/@antondollmaier" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>antondollmaier</span></a></span> I configured Postfix to reject all email from that TLD. It’s sent me nothing of value. <a href="https://mastodon.colincogle.name/tags/postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>postfix</span></a> <a href="https://mastodon.colincogle.name/tags/SelfHosted" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SelfHosted</span></a></p>
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