Postfix Users

This forum is an archive for the mailing list postfix-users@postfix.org (more options) Messages posted here will be sent to this mailing list.
General discussions about the use of and experiences with the Postfix mail system. Open subscription, unmoderated posting by members only.
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Topics (15293)
Replies Last Post Views
2 factor authentication for postfix by mami64
6
by Wietse Venema
antispam system powered by machine learning by Tessa Plum
2
by Gerald Galster
postfix 3.5.4 centos 8 hardcoded crypto settings? by Leonardo Rodrigues M...
11
by ratatouille-2
Connection Caching for One Transport by Greg Sims
3
by Greg Sims
Enable IPv6 support in main.cf by default by llnu
9
by Matt Corallo
multiple servers, single cert by @lbutlr
1
by Viktor Dukhovni
more detail in diagnosing verify "conversation ... timed out while receiving the initial server greeting" error? by PGNet Dev
2
by PGNet Dev
how to map per-smtp-transport ssl certs/keys ? by PGNet Dev
2
by PGNet Dev
permit_tls_clientcerts usage in multiple restrictions? by PGNet Dev
1
by Wietse Venema
norig_rcpt logs by Marco-2
1
by Wietse Venema
After decryption virus check by Alex Bruce
1
by Wietse Venema
problem connecting with android device by ratatouille-2
5
by ratatouille-2
Looking to give away twitter.com/postfix by Martin Schmitt
2
by @lbutlr
re-directing disto-pkg'd postfix's bins etc to other config dir location? by PGNet Dev
7
by Ansgar Wiechers
DMARC zip file attachments and 5.7.1 message content rejected by plittlefield
2
by plittlefield
policyd, prepend and long lines by Andreas Thienemann
1
by Viktor Dukhovni
Untrusted TLS connection appearing in logs by rachalmers
2
by rachalmers
Cached postscreen blacklist bypass by Michael Orlitzky-2
4
by Matus UHLAR - fantom...
User doesn't exist via lmtp by ratatouille-2
2
by ratatouille-2
Transport to non-standard external port by Daniel L. Miller
1
by Viktor Dukhovni
smtpd_recipient_restrictions in mongodb? by SysAdmin EM
4
by SysAdmin EM
Postfix MySql result in bolean by SysAdmin EM
2
by Benny Pedersen-2
Nothing in /var/log/maillog under stress by Greg Sims
9
by Christian Kivalo
smtpd_milters fallback/round robin via dns by Gerald Galster
3
by Wietse Venema
debugging strategy by A. Schulze
1
by Wietse Venema
How To Rewrite "Mail From:"? by Drew Tomlinson
9
by Simo Tukiainen
content_filter with external script and virtual_alias_maps by Stats Student
21
by Stats Student
TLS verification problem - ca untrusted, but it shouldn't be by ruprechtsberger
6
by ruprechtsberger
rewrite all but one address by plittlefield
4
by plittlefield
lmd support -- available as an 'add on', or just 'compiled in'? by PGNet Dev
10
by PGNet Dev
Behavior change in notifications after upgrading Postfix from 2.6.6 to 3.3.1 by Brian Sebby
1
by Viktor Dukhovni
Can I further block dodgy attempts at passwording by rachalmers
18
by Bill Cole-3
Content filter replied to HELO/EHLO with my own hostname by Alf Vark
9
by Alf Vark
blocking unknown useers... by rachalmers
1
by Benny Pedersen-2
MTA-STS <-> DANE Interactions by Matt Corallo
9
by Matt Corallo
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