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 (15355)
Replies Last Post Views
Limiting HELO spoofing in Postfix? by Rich Wales
15
by Rich Wales
Forward mail and obey SPF and DKIM by ilyak
7
by Nick Tait
Accessing the sending user from a canonical(5) table by Demi M. Obenour
36
by Nick Tait
sanity-check postfix XCLIENT usage ? by PGNet Dev
14
by Bob Proulx
Postfix smtp gets stuck with XCLIENT when using smtps by Aki Tuomi
1
by Wietse Venema
Is changing "Hostname" mandatory? by Jason Long
2
by Bob Proulx
Various bcc options in postfix by @lbutlr
4
by @lbutlr
multiple relay servers by Zsombor B
9
by Wietse Venema
right tool for creating an 'accurate' test email from an external domain? by PGNet Dev
2
by PGNet Dev
recipient_bcc_maps and alias group by natan
3
by Wietse Venema
Mail server recently became an open relay by Rich Wales
24
by ilyak
Host not found? by Joey J
7
by Bob Proulx
pass vs unix in master.cf by ilyak
1
by Bill Cole-3
possible bottlenecks by Zsombor B
12
by Peter Blair
rbl check debug by David Wells - Alfavi...
4
by Demi M. Obenour
address verify probe cache not refreshing on new user/alias add'n ? by PGNet Dev
1
by Wietse Venema
implementing offline/maintenance mode, with SMTP reply? by PGNet Dev
4
by PGNet Dev
Forward being rejected because of spf by Joey J
1
by Bill Cole-3
Recommended milters for small setup by Ian Evans
6
by Ian Evans
Re: Mail server without MX record by john-3
0
by john-3
Mail server without MX record. by Jason Long
44
by Jason Long
Trualias: tcp_virtual_server doesn't require patching local(8) by Fred Morris
2
by Fred Morris
reject mail to all local system accounts by cody
2
by Viktor Dukhovni
Sub-addressing ("plus-addressing") questions... by Nick-2
6
by Bill Cole-3
*****SPAM***** Occasional transient "Insufficient system storage" errors by Dara Poon
4
by Wietse Venema
LMTP said: 550-Mailbox unknown or you do not have authorization to see it by Ezsra McDonald
1
by Wietse Venema
virtual_alias_maps doesn't require domains to be in virtual_alias_domains by Fred Morris
1
by Wietse Venema
OpenDKIM but no log of postfix milter running or trying to run by Jeff Abrahamson
8
by Jeff Abrahamson
OpenDMARC milter domain based by Egoitz Aurrekoetxea-...
2
by Egoitz Aurrekoetxea-...
PostFix not working after update by Paul Lauzon
6
by Jaroslaw Rafa
Outlook.com Max Connections by Greg Sims
7
by Viktor Dukhovni
Outlook.com Max Connections by Greg Sims
5
by Tom Sommer
use postfix over ssh by Ranjan Maitra
7
by Ranjan Maitra
Why emails sending to Spam? by Jason Long
3
by Jaroslaw Rafa
I'm a beginner and want to setup Postfix on CentOS. by Jason Long
8
by Jason Long
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