Postfix Users

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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 (14900)
Replies Last Post Views
easy way to forward all root mail to devnull? by Eero Volotinen-2
3
by Matus UHLAR - fantom...
Postfix can't find Postgserql's unix socket using "peer" method by Hamid M.
9
by Christoph Moench-Teg...
20200108 -- nexthop destinations separated by comma or whitespace by Ralf Hildebrandt-2
2
by Ralf Hildebrandt-2
Fond memories of 1988: OpenSMTPD remote code execution by Viktor Dukhovni
0
by Viktor Dukhovni
Calling a SMTP Milter before local_recipient_maps by Fred Morris
4
by Wietse Venema
auth=0/1 by Helmut Schneider
5
by @lbutlr
Yahoo rate limit (again...) by gaia45500
10
by @lbutlr
Postscreen response to client - which rbl is named? by Dominic Raferd
7
by Wietse Venema
Forward/Filter email by sender by Matteo Cazzador-2
6
by Matteo Cazzador-2
Double delimiter? by @lbutlr
2
by @lbutlr
Graphing by Ed-2
4
by Matus UHLAR - fantom...
lmtp:unix:private/dovecot-lmtp by ratatouille-2
11
by ratatouille-2
What does check_sender_access checks? by rdquiterio
4
by rdquiterio
Port 25 closed on bulk sending servers by Sam Tuke
5
by Sam Tuke
Allow relay from certain IPs AND allow only certain senders by egobrc@gmail.com
3
by egobrc@gmail.com
build failure with gcc-10 by Eray Aslan-2
5
by Eray Aslan-2
postfix for IoT by Wesley Peng-10
9
by Wietse Venema
postsuper manpage: message expiration by Wietse Venema
9
by Emanuel
Bounce mails manually by Emanuel
40
by @lbutlr
Remove part of rbl name from response to blocked client by Dominic Raferd
8
by Bernardo Reino
email server secured data communication state of the art by Thomas-4
3
by Anton Rieger
Postfix HELO checks by Simon Brereton-3
17
by Matus UHLAR - fantom...
Max connection error message by Drexl Spivey
3
by Drexl Spivey
Disable function "said: 550 Blocked by SPF () (in reply to MAIL FROM command))" by Emanuel
4
by Emanuel
Is the milter API function smfi_setsymlist supported? by David Bürgin
19
by David Bürgin
make smtpd listen on IPv6 as well by Simon Brereton-3
3
by Simon Brereton-3
Need this rule: Everybody may receive from specific address / a few may receive from any address or domain by rdquiterio
4
by rdquiterio
handling long-term unreachable addresses/domains by Matus UHLAR - fantom...
2
by Wietse Venema
phising attacks by ab
6
by Matus UHLAR - fantom...
PROXY protocol v2 support by Tamás Gérczei
21
by Willy Tarreau-3
ISP open relay by Wesley Peng-10
4
by @lbutlr
Missing logging from Cyrus LASL set to use sasldb by Brian Wengel
1
by Wietse Venema
Multiple tables for check_sender_access by azurIt
4
by azurIt
postfix fails to start during macOS with fatal: message about port 25 in use by Gerben Wierda
4
by Gerben Wierda
Problems with milter_default_action = accept by Patrick Ben Koetter-...
1
by Wietse Venema
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