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 (15293)
Replies Last Post Views
local postfix re-delivery of dovecot sieve-redirected mail fails; normal/direct deliveries are OK ? by PGNet Dev
3
by PGNet Dev
Postfix probe to find out id DNSSEC works by Wietse Venema
3
by Viktor Dukhovni
Comcast 421 throttling multiple recipients by Bob Proulx
5
by Bob Proulx
Send only configuration best practices? by Bob Proulx
10
by Bob Proulx
Piping mail logs to another process fails by Jonathan Hammer-2
6
by Jonathan Hammer-2
Disabling delivery to local users by Marek Kozlowski-2
4
by Viktor Dukhovni
Very selective relay by Marek Kozlowski-2
6
by Viktor Dukhovni
How to allow relaying per domain? by Hans van Zijst
4
by Viktor Dukhovni
how to de-defer all on the mailq? by Steven Jones
3
by Stephen Carville
very early handling of connections by Christian Brandt
1
by Wietse Venema
Meaning of a blank "mydestination" value by Erik Thuning
5
by Viktor Dukhovni
fatal: dict_sqlite_lookup: /etc/postfix/sqlite/local-aliases.cf: SQL prepare failed: disk I/O error? by deoren
9
by Viktor Dukhovni
non_fqdn vs invalid helo hostname by Markus E.
2
by Markus E.
smtpd_tls_CApath etc - needed? by Dominic Raferd
2
by Dominic Raferd
TLS library problem: no shared cipher by Markus E.
4
by Markus E.
postfix and MX by mami64
13
by mami64
get client auth certificate from incoming e-mail messages by Christian Renner
1
by Viktor Dukhovni
postfix/smtpd killed by signal 9, bad command startup by Peter Lindgren-2
3
by Peter Lindgren-2
PLEASE NOTE: Upcoming changes in Let's Encrypt issuer certificates by Viktor Dukhovni
5
by Viktor Dukhovni
smtpd_proxy_filter disables smtpd_milters? by Hans van Zijst
4
by Hans van Zijst
virtual_alias_domains and catch-all by Alex Regan
6
by Viktor Dukhovni
Custom reject message for one address? by Dan Mahoney (Gushi)
3
by Dan Mahoney (Gushi)
Postfix stops accepting connections when primary dns is down. by listserv.traffic
1
by Viktor Dukhovni
smtp_sender_restrictions by Janis-2
2
by Wietse Venema
Relay delivery rules based on sender email by will_mike
1
by Viktor Dukhovni
Forward mail and obey SPF and DKIM by ilyak
5
by Michael D. Sofka
syn flood generated by a postfix transaction by Gabriele Bulfon
4
by Gabriele Bulfon
put message on HOLD based on sender & recipient by patpro
4
by patpro
spam uses my email address as sender in "header from" by Fourhundred Thecat
14
by Viktor Dukhovni
strangely incoming mails by Zsombor B
6
by Benny Pedersen-2
Being blocked with error 554 5.7.1 by Julian Pilfold-Bagwe...
3
by Dominic Raferd
transport_maps equivalent for virtual mailboxes by Stephen Ingram
5
by Noel Jones-2
postfix rejecting local email. by Steven Jones
4
by Steven Jones
managing multiple virtual_alias_map *flat* files ? by PGNet Dev
4
by PGNet Dev
Postscreen Logfile Analyser by Jos Chrispijn-4
5
by Jos Chrispijn-4
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