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 (15005)
Replies Last Post Views
Rejecting emails based on address extension? by @lbutlr
7
by Tom Hendrikx
Unable to send mail via office365 by Gerard E. Seibert
5
by Viktor Dukhovni
Tracking email status - Bounced, Deferred, Over Quota, Delivered by Owais Khan
10
by Owais Khan
Check outgoing emails not using TLS by Dominic Raferd
11
by Viktor Dukhovni
modifying outbound email headers by Stefan Claas
14
by Stefan Claas
MTA-STS? by David Mehler
2
by Wietse Venema
Some news on SMTP DANE TLS by Viktor Dukhovni
1
by Wietse Venema
Templating master.cf by Matt Saladna
3
by Wietse Venema
question on gmail smtp relay by Tessa Plum
2
by Dominic Raferd
STMP is rejecting and i'm not sure why by Dirk Laurenz
9
by Wietse Venema
Hijacked thread, now about queue encyption by Wietse Venema
2
by Tessa Plum
Definition of new milter macros by Damian Lukowski
2
by Wietse Venema
Postfix problem with Hotmail (501 5.5.4 Invalid domain name) by SysAdmin EM
2
by Viktor Dukhovni
Reject external mails to certain aliases by Roberto Carna
1
by Nick-5
anyone getting live bounce messages? by David Mehler
3
by Viktor Dukhovni
Error - No space left using (DRBD, POSTFIX, DOVECOT, OCFS2, O2CB) -dovecot-lmtp by noeldiazqwerty
1
by Wietse Venema
Relay based on recipient mail server IP address by egobrc@gmail.com
5
by egobrc@gmail.com
remove sender source IP by Tessa Plum
2
by Tessa Plum
Using Postfix as a Backup MX by Linda Pagillo
7
by Linda Pagillo
"Matching connector" error on edge transport server when sending mail from postfix to exchange by ipconfig
3
by Wietse Venema
postfix mynetworks question by Charles Amstutz
3
by Noel Jones-2
delaying postfix until/unless VPN is up/connected by Ranjan Maitra
33
by Peter Ajamian
Migrating Postfix Server to New IP Block and Reverse DNS Issues by asai
4
by asai
Re: pflogsumm error. by Wietse Venema
1
by @lbutlr
modify "User unknown" message by Matus UHLAR - fantom...
4
by Matus UHLAR - fantom...
Configuring smtp_tls_cert_file for specific domain by sandeep pawar
3
by sandeep pawar
Postfix as a backup MX by Linda Pagillo
3
by Bob Proulx
[OT] looking for a good mobile MUA by Wesley Peng-12
5
by Victoriano Giralt-2
should we use plaintext for message? by Wesley Peng-11
28
by 황병희-2
Postfix Sign smtp from with DKIM by SysAdmin EM
3
by Wietse Venema
Gmail and spam, a request by Jaroslaw Rafa
25
by Viktor Dukhovni
Enabling SASL without any authentication back-end for use with XCLIENT only by Melvin Vermeeren
7
by Melvin Vermeeren
Always_bcc with aliases by Warren H. Prince
3
by Wietse Venema
postfix tuninh by mami64
3
by Wietse Venema
Invalid Sender (DNS) by Matteo Cazzador-2
3
by Matus UHLAR - fantom...
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