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
Configure failure on 5.x kernels? by Phil Stracchino
5
by Phil Stracchino
header_checks apply to headers of attached messages? by mrobti
4
by Wietse Venema
Tell LMTP who is original recipient? by mrobti
8
by mrobti
Modify logs for delivery? by @lbutlr
1
by @lbutlr
intermittent "cannot find your reverse hostname" for outbound.protection.outlook.com senders. Best workaround? by PGNet Dev
4
by Wietse Venema
SNI support by Fred Barachant
4
by Bill Cole-3
Block spam at smtp time, but then still forward to users spam box by Brent Clark-4
4
by Thilo Molitor
Fwd: Postfix as an outgoing spam filter. How to block email for unknown senders in local network? by sandermoors
11
by Matus UHLAR - fantom...
Disable milter(s) for recipients (IP/addresses) by TG Servers
3
by TG Servers
check_ccert_access search order support (was: TLS client certificates and auth external) by Wietse Venema
0
by Wietse Venema
DKIM milter: adding a TXT record by dennisthetiger
3
by dennisthetiger
AWS timeout by fhare
11
by @lbutlr
GEO IP based restrictions? by @lbutlr
6
by @lbutlr
milter_header_checks don't forward the message to filter by joao
1
by Noel Jones-2
Problem with logging by ratatouille
4
by ratatouille
header_checks: From header not being changed in mail between local users by Joaquin F
1
by Wietse Venema
Support for Proxy Protocol V2? by Pete
1
by Wietse Venema
mysql write support patch updated to 3.4.5 by Per Jessen
0
by Per Jessen
Trying to understand smtpd_recipient_restrictions order by Andreas Thienemann
5
by Andreas Thienemann
include full original message in bounce by Arjen Van Drie
11
by @lbutlr
tlsproxy without port-220 tests? by Matus UHLAR - fantom...
6
by Matus UHLAR - fantom...
Additional debug information in log file. by postfix-9
4
by Wietse Venema
Blacklistd interaction by Lefteris Tsintjelis
18
by Lefteris Tsintjelis
Virtual Mailbox Delivery with mixed address classes. by Andreas Thienemann
4
by Andreas Thienemann
smtputf8 by Drexl Spivey
1
by Wietse Venema
External command delivery in alias file by Adrien CLERC
4
by Adrien CLERC
limiting content_filter concurrency (ask for advice) by Matus UHLAR - fantom...
5
by Wietse Venema
TLS client certificates and auth external by Bastian Schmidt
30
by John Fawcett
gmail using sasl auth? (Non postfix question) by Mohamed Lrhazi
2
by Mohamed Lrhazi
Pix workaround should be (partially?) disabled when DANE is in use by Lars Kollstedt
6
by Wietse Venema
Sporadic, repeated connections from aws by @lbutlr
4
by Kris Deugau
Link for experimental postfix-3.5-20190418 by John Fawcett
3
by Wietse Venema
How "safe" is reject_unknown_helo_hostname? by allenc
25
by Wietse Venema
postfix and MTA-STS by A. Schulze
4
by Wietse Venema
unable to find user by @lbutlr
2
by @lbutlr
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