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 (14561)
Replies Last Post Views
Greylisting -- current recommendations? by Rich Wales
13
by Wietse Venema
best practice lookup table perormance - non hashed file by Stefan Bauer-2
0
by Stefan Bauer-2
Receiving mail from a host without a valid rDNS by @lbutlr
1
by Wietse Venema
Gave up on my ISP, trying to get GMail to work but get - host smtp.gmail.com[64.233.168.108] said: 530-5.5.1 Authentication Required. by Chris-3
8
by Chris-3
Smptd intruder by John Plate
1
by Wietse Venema
dkim updating keys by Drexl Spivey
6
by Ralph Seichter-2
havedane dns issues by Thilo Molitor
2
by Thilo Molitor
Re: TLS 1.3 on postfix (fixed) by Security Admin (NetS...
3
by Security Admin (NetS...
Unable to send or receive from Gmail by Security Admin (NetS...
8
by Matus UHLAR - fantom...
Re: disable TLS 1.3 on postfix (logs enclosed) by Security Admin (NetS...
2
by Viktor Dukhovni
Best practices link for postscreen by Durga Prasad Malyala
5
by Wietse Venema
disable TLS 1.3 on postfix by Security Admin (NetS...
2
by Viktor Dukhovni
Re: Unable to send or receive from Gmail (temp solution) by Security Admin (NetS...
0
by Security Admin (NetS...
Postfix (using haproxy) reporting inaccurate commands in log by jbwlists
2
by jbwlists
Unable to use pcre: by John Gateley
5
by John Gateley
Problem setting a TLS verified connection by David López
6
by Viktor Dukhovni
Rejecting mail if LDAP lookup returns empty by Cooper, Robert A
5
by Cooper, Robert A
No logging possible from local pipe by svinther
3
by Wietse Venema
Add header based on subject by mmgomess
4
by Dominic Raferd
Delay in qmgr by anzelmooo .
4
by Wietse Venema
Mails to gmail bouncing by Ralf Hildebrandt-2
18
by Wietse Venema
How to tell my ISP there's a problem by Chris-3
6
by Chris-3
Some mails just stay in Queue. by Durga Prasad Malyala
5
by Noel Jones-2
Milter vs. *_restrictions: evaluation order by Vincent Pelletier-2
1
by PGNet Dev
Using always_bcc with FILTER action by plado
3
by Wietse Venema
authenticate o365 users with postfix without smtp auth by Stefan Bauer-2
33
by Emmanuel Fusté-2
Stats recommendations? by PGNet Dev
1
by Stefan Bauer-2
Header change by @lbutlr
3
by @lbutlr
5.7.1 issue relaying telnet, on same host by David Mehler
1
by Viktor Dukhovni
smtpd_reipient_restrictions by @lbutlr
2
by Matus UHLAR - fantom...
DANE with own CA by Lefteris Tsintjelis
14
by Viktor Dukhovni
'SERVFAIL' error on DNS 'TXT' lookup by beluta07
2
by @lbutlr
Getting Postfix to Honor SPF? by E. Recio-2
1
by Wietse Venema
Postfix update resulted in mails going to spam? by John Gateley
7
by Wietse Venema
Postfix LMTP to remote LMTP server by alexevon
6
by alexevon
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