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 (13984)
Replies Last Post Views
Mail loop sending external domain by durwin
4
by durwin
Email architecture by Tom Marcoen
3
by Tom Marcoen
haproxy protocol ipv6 support? by cvandesande
5
by cvandesande
both virtual_transport and transport_maps by jor.goncalves
2
by jor.goncalves
TLS1.3 only by A. Schulze
4
by A. Schulze
grep in Postfix logfiles by rog7993
2
by Noel Jones-2
Self-signed TLS certificates by Danny Horne
18
by Olivier Nicole-2
DANE-TA(2) private CAs and SHA-1 by Viktor Dukhovni
0
by Viktor Dukhovni
SMTP access restriction lists by rog7993
3
by Noel Jones-2
RE: new strangeness with O365 [OT] --TESTING by Fazzina, Angelo
0
by Fazzina, Angelo
postfix cleanup process dropping messages by Ramprasad-5
3
by Viktor Dukhovni
mail for ... loops back to myself by Steve Atkins
5
by Viktor Dukhovni
Disable SSL/TLS renegotiation by Viktor Schneider
3
by Viktor Schneider
How to autoreply with "Undelivered Mail Returned to Sender" unknown user for user+doesnotexist@domain.org by Thomas Nyberg
3
by Thomas Nyberg
check_client_access not blocking /8 /16 /24 etc. by Philip
2
by Bill Cole-3
Trouble Postfix ClamSMTP - Help by Maurizio Caloro-2
4
by Matus UHLAR - fantom...
Setting per user/domain smtpd_recipient_limit by Bradley Giesbrecht-2
1
by Wietse Venema
Making relay_access_denied permanent? by Jan P. Kessler
3
by Wietse Venema
FreeBSD-11 (Jail) Saslauthd rimap authentication fails by James B. Byrne
0
by James B. Byrne
Fwd: Postfix with MySQL, a lot of "Aborted connection" by Danilo G. Baio
3
by Danilo G. Baio
Reject unknown users, even when sent from 'mydomain' by durwin
11
by durwin
Server side S/MIME EFail (partial) Mitigation by Dr. Rolf Jansen
3
by Dr. Rolf Jansen
Long-running cron job emails appearing in queue with large delay value by Will Payne
3
by Wietse Venema
Defer mail instead of bounce by lists
5
by @lbutlr
smtp_address_preference default by Bjoern Franke
1
by Jost Krieger-2
Can postfix send encrypted but not authenticated emails ? by Fazzina, Angelo
4
by Fazzina, Angelo
Can a ISP block partially the traffic over the port 25 ?? by kazabe
3
by Matus UHLAR - fantom...
Re: What is postfix telling me to do? by Bastian Blank-3
8
by James B. Byrne
may not be appropriate question but figured what the hay... -- Dovecot by Fazzina, Angelo
1
by Fazzina, Angelo
RE: Can postfix send encrypted but not authenticated emails ? -- FIXED by Fazzina, Angelo
0
by Fazzina, Angelo
available: multiple deliveries per TLS-encrypted connection by Wietse Venema
29
by Ralf Hildebrandt-2
[Question] disable_vrfy_command by Eoin Kim
2
by Eoin Kim
Header has unknown for IP address by Sophie Loewenthal
4
by Sophie Loewenthal
Need to understand mynetworks_style more by durwin
4
by Noel Jones-2
New EFF certbot plugin for Postfix by Viktor Dukhovni
4
by Philip Paeps
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