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TomHey <a href="https://mastodon.bsd.cafe/tags/BSD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#BSD</a> friends! Is there a way to set up oauth2 on Dovecot for authentication? (All local Auth, no Google or Microsoft involved). Do I have to run some big chunky java blob like keycloak or is there a much lighter weight implementation C somewhere? <a href="https://mastodon.bsd.cafe/tags/OpenBSD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#OpenBSD</a> <a href="https://mastodon.bsd.cafe/tags/dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dovecot</a> <a href="https://mastodon.bsd.cafe/tags/opensmtpd" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#opensmtpd</a> <a href="https://mastodon.bsd.cafe/tags/oauth2" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#oauth2</a>

thinkbergP.S. I got down from 33GB to 22GB in one mailbox. Individual mail differences in compression between level 3 and level 22 did not exceed 0.05% <a href="https://tetrax.de/tags/zstd" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#zstd</a> <a href="https://tetrax.de/tags/mail" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mail</a> <a href="https://tetrax.de/tags/compression" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#compression</a> <a href="https://tetrax.de/tags/dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dovecot</a>

thinkberg2/2 I also tested the impact of compression levels and I can say, it is not worth the CPU to go beyond the default <a href="https://tetrax.de/tags/zstd" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#zstd</a> level of 3. Base64 encoded mail attachments do not compress very well. This way it is fast and reliable.To move the mailbox to the new server, I just resynced the newly creates maildir:username@domain.tld and configured the new dovecot similarly for compression and access.Voila! <a href="https://tetrax.de/tags/mail" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mail</a> <a href="https://tetrax.de/tags/compression" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#compression</a> <a href="https://tetrax.de/tags/dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dovecot</a>

thinkberg1/2 I had to move my <a href="https://tetrax.de/tags/mail" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mail</a> server and wanted to use <a href="https://tetrax.de/tags/compression" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#compression</a>. The docs are, as often, not really helpful. Ultimately, after some testing the best way to do it is, as in a side note in the <a href="https://tetrax.de/tags/dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dovecot</a> docs, to use "doveadm". First configure to use zlib globally in mail_plugins and configure it to use zstd with the default level. Then just dodoveadm -v -o maildir_copy_with_hardlinks=no backup -u username maildir:user@domain.tld

🍱 Sean ☕Whilst migrating from my very manual email setup to something orchestrated by ansible and highly-available, I have come upon all sorts if jankiness I don't remember configuring.Currently, I have multiple working MX servers, but only one postfix submission server. The MX's currently all point to a single dovecot server for LMTP, and it also pulls double-duty as my IMAP server. Next on my list for ansible configuration:<ul><li>Set up acme.sh so that each MX can handle its own certificates for postfix and dovecot</li><li>Configure Submission, LMTP and IMAP</li><li>Configure extra mail services, such as opendkim, opendmarc, spf checking, dovecot indexing</li></ul>This has been a real learning experience, and with any luck will get me to the point where I'm able to spin up/down new mail handlers just by adding hostnames to an ansible inventory list. <a href="https://whitespashe.uk/tags/sysadmin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sysadmin</a> <a href="https://whitespashe.uk/tags/homelab" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#homelab</a> <a href="https://whitespashe.uk/tags/ansible" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ansible</a> <a href="https://whitespashe.uk/tags/dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dovecot</a> <a href="https://whitespashe.uk/tags/postfix" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#postfix</a> <a href="https://whitespashe.uk/tags/highavailability" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#highavailability</a>

thinkbergI can't use the v3 mail-compress and I can't use the scripts flying around, so I wanted to do it using on-board tools of dovecot. <a href="https://tetrax.de/tags/Dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Dovecot</a> <a href="https://tetrax.de/tags/zlib" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#zlib</a> <a href="https://tetrax.de/tags/dsync" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dsync</a> <a href="https://tetrax.de/tags/help" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#help</a>

thinkberg<a href="https://tetrax.de/tags/Dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Dovecot</a> Does anyone know how I can use the <a href="https://tetrax.de/tags/zlib" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#zlib</a> plugin to compress my mail archive while transferring from another server? I tried to set it up, but the mail just comes over as-is. The docs suggest that it should convert with <a href="https://tetrax.de/tags/dsync" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dsync</a> to compressed files. I seem to miss something. <a href="https://tetrax.de/tags/help" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#help</a><a href="https://doc.dovecot.org/2.3/configuration_manual/zlib_plugin/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://doc.dovecot.org/2.3/configuration_manual/zlib_plugin/</a>

computing competenceBericht KW17: - Mo: Feiertag - Di-Do: Reise nach <a href="https://feinste-netzwerke.de?t=dresden" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Dresden</a> zur Vorbereitung einer Migration von <a href="https://feinste-netzwerke.de?t=sogo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SoGo</a> nach <a href="https://feinste-netzwerke.de?t=groupoffice" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Groupoffice</a>. <a href="https://feinste-netzwerke.de?t=dokumentation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Dokumentation</a> erstellt, <a href="https://feinste-netzwerke.de?t=konten" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Konten</a> aufgeräumt und den kompletten E-Mail Bestand (680GB) des <a href="https://feinste-netzwerke.de?t=dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Dovecot</a> <a href="https://feinste-netzwerke.de?t=imap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#IMAP</a> Servers migriert. GroupOffice eingerichtet und an Kundenwünsche angepasst. - Fr: Nacharbeiten, Buchhaltung, Kleinigkeiten Highlight: Es ist schön zu sehen wie liebevoll manche Geschäftsführer das Arbeitsumfeld der Mitarbeiter gestalten. So hält man Ressourcen!

MaciekI've just run into years-old bug in Dovecot that essentially means attachment indexing doesn't work. Can anyone recommend an alternative IMAP server for self-hosting?<a href="https://dovecot.org/mailman3/archives/list/dovecot@dovecot.org/thread/J7UEFSZAAWY3DM6PN4B63HC75P2MEPPZ/#J4OMDR6JX43GUPGC2LOQ7KBREUJPNHBT" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://dovecot.org/mailman3/archives/list/dovecot@dovecot.org/thread/J7UEFSZAAWY3DM6PN4B63HC75P2MEPPZ/#J4OMDR6JX43GUPGC2LOQ7KBREUJPNHBT</a><a href="https://hachyderm.io/tags/dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dovecot</a> <a href="https://hachyderm.io/tags/email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#email</a> <a href="https://hachyderm.io/tags/selfHosted" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#selfHosted</a> <a href="https://hachyderm.io/tags/imap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#imap</a>

XanJ’ai découvert que j’avais 2,8 millions de mails dans un seul dossier IMAP. Je répète : deux millions. Huit cent mille. Merci YunoHost pour les rapports de diagnostic par mail…J’ai tout purgé en SSH depuis ma voiture, en 5G, pendant que la sono tournait. Maintenant, iOS Mail et Apple Intelligence peuvent bosser sans convulser.Je n’administre pas un serveur. Je dompte un fauve 🦁.<a href="https://social.am-networks.fr/tags/SysadminLife" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SysadminLife</a> <a href="https://social.am-networks.fr/tags/Linux" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Linux</a> <a href="https://social.am-networks.fr/tags/YunoHost" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#YunoHost</a> <a href="https://social.am-networks.fr/tags/Dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Dovecot</a> <a href="https://social.am-networks.fr/tags/Maildir" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Maildir</a> <a href="https://social.am-networks.fr/tags/AppleIntelligence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AppleIntelligence</a> <a href="https://social.am-networks.fr/tags/Mastodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Mastodon</a>

SebastianIf you're planning on upgrading <a href="https://social.karotte.org/tags/Dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Dovecot</a> from 2.3 to 2.4, better take some days off. Did it yesterday evening and it broke in SO MANY WAYS! I don't know what they were thinking, the upgrade guide is... not very good and there is no config converter. The new config syntax is confusing (but that might only be me) and the daemons run with different permissions it seems? I had trouble with daemons not being able to access config files.

bitshift<a href="https://social.tchncs.de/@nippon" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@nippon</a>Shameless plug: Still looking for a provider? If so, feel free to drop us (<a href="https://chaos.social/tags/foundata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#foundata</a>) a note: <a href="https://foundata.com/de/kontakt/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://foundata.com/de/kontakt/</a>.We offer dedicated <a href="https://chaos.social/tags/email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#email</a> infrastructure as a managed service (<a href="https://chaos.social/tags/Dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Dovecot</a>, <a href="https://chaos.social/tags/DAViCal" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DAViCal</a>, …) — hosted in a GDPR-compliant German datacenter or on-premises at your site, as you prefer. We also provide 1st-level support for various MUAs and calendar clients, including many on mobile phones.All our staff uses Linux desktops. We rely on the same stack ourselves.

@wpnWrote a post about a <a href="https://livellosegreto.it/tags/console" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#console</a> <a href="https://livellosegreto.it/tags/email" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#email</a> client which supports <a href="https://livellosegreto.it/tags/imap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#imap</a> folders out of the box.<a href="https://livellosegreto.it/tags/dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dovecot</a> <a href="https://livellosegreto.it/tags/gpg" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#gpg</a> <a href="https://livellosegreto.it/tags/selfhost" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#selfhost</a> <a href="https://livellosegreto.it/tags/wpn" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#wpn</a><a href="https://blog.woodpeckersnest.space/2025/04/10/roughnecks/aerc-console-email-client-how-to/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://blog.woodpeckersnest.space/2025/04/10/roughnecks/aerc-console-email-client-how-to/</a>

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>

Hydrian<a href="https://mastodon.au/@daveburb" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@daveburb</a> <a href="https://fosstodon.org/@nobodyinperson" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@nobodyinperson</a> I do the same thing. I use <a href="https://twit.social/tags/dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dovecot</a> to serve the mail folders. I use <a href="https://twit.social/tags/fetchmail" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fetchmail</a> to pull all my external mail accounts to my <a href="https://twit.social/tags/dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dovecot</a> server they are all aggrigated into my one mailbox.With this setup, if my mailserver goes down, people can still send me mail without errror. I'll just get it a bit later when the server comes back up. Setup a local SMTP forwarder to forward your outgoinv mail to a real SMTP.I've been doing this since 2000.

DaveB<a href="https://fosstodon.org/@nobodyinperson" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@nobodyinperson</a> I've been doing that for over 20 years with <a href="https://mastodon.au/tags/dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dovecot</a>. For a while I even used <a href="https://mastodon.au/tags/fetchmail" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fetchmail</a> to pull down emails to it.<a href="https://mastodon.au/tags/selfhosting" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#selfhosting</a>

Michael Smith (Neo)<a href="https://fosstodon.org/@nobodyinperson" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@nobodyinperson</a> yes, <a href="https://social.hacktheplanet.be/tags/Dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Dovecot</a> is fine for this. Very stable too.

Yann Büchau :nixos:<a href="https://fosstodon.org/tags/eMail" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#eMail</a> <a href="https://fosstodon.org/tags/selfHosting" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#selfHosting</a> gurus: I am looking for the simplest possible way to host myself a mailbox I can add to my email clients (Thunderbird, phone, etc.) as usual, so I can move mails there to free up space on the 3rd party "real" emails, then back them up separately on my server.I do not want receiving or sending emails to work. Just an IMAP or whatever box I can shove emails in the face by dragging them in Thunderbird or with a script.Ideally available in :nixos: <a href="https://fosstodon.org/tags/NixOS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NixOS</a> <a href="https://fosstodon.org/tags/dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dovecot</a>? 🤔

9Lukas5 🚂 🐧I had struggles with the <a href="https://mastodontech.de/tags/Dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Dovecot</a> 2.4.0 update, because of the completely changed config spec (fedi reported).Guess what, the update from 2.4.0 to 2.4.1 broke it again. This time, because there popped up a new CFLAG in the build script, requiring the CPU to have <a href="https://mastodontech.de/tags/AVX" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AVX</a> suppport.Well, my servers CPU is a Dual-Core Pentium G3220 _not_ knowing this extension 😬

TomHey <a href="https://mastodon.bsd.cafe/tags/fediverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fediverse</a> .. is there a way in <a href="https://mastodon.bsd.cafe/tags/dovecot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#dovecot</a> 2.3 to prevent IMAP users from accidentally deleting / moving / renaming certain folders? (Aside from the normal ones like "Inbox", "Deleted", etc...)Many thanks in advance!

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