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 (14826)
Replies Last Post Views
smtpd_tls_chain_files and EC PARAMETERS by Moviuro
7
by Wietse Venema
Postfix with DKIM for a mail relay by Roberto Carna
14
by Ralph Seichter-2
qname-minimization-and-privacy breaks dnsbl in postfix by Benny Pedersen-2
2
by Viktor Dukhovni
Disabling TLS 1.0/1.1, is it advisable? by Bryan K. Walton-3
4
by Bryan K. Walton-3
redirect HOLD queue to alternate MTA?? by Chi Min Wang
6
by Benny Pedersen-2
Dictionary attacks by John Schmerold
15
by Olivier Nicole-2
Error 46 with TLS by benoit
15
by Viktor Dukhovni
5XX vs 4XX by John Schmerold
2
by Wietse Venema
Warning on Connection time by John Schmerold
3
by John Schmerold
Re: block 'new style' TLDs ? by Ralph Seichter-2
9
by Kevin A. McGrail
dual stack rbl by Benny Pedersen-2
3
by Wietse Venema
Postfix ignores smtpd_tls_security_level = encrypt ? by Ferdinand Goldmann
3
by Viktor Dukhovni
Avoidance of duplicate mails reg by anant
5
by Marvin Renich
Limiting mail relay by Patrick Mahan
5
by Atnakus Arzah
Ambiguous logging of mail senders by Sven Bartscher
5
by Wietse Venema
"SPF no-mail record" clashing with reject_unknown_recipient_domain by Ehlers, Y.W. (Ydo)
3
by A. Schulze
Unusual TLS setting logged by Postfix by J Doe
4
by J Doe
postfix filter to encrypt incoming emails with public gpg key by Fourhundred Thecat
21
by Jaroslaw Rafa
OpenDKIM , Postfix , SpamAssassin, Amavisd-New, SPF and FreeBSD by Jason Hirsh-2
11
by Jason Hirsh-2
Problem with new installation by Steve Matzura
10
by Steve Matzura
A blog post that I hope will help people, can the community help me improve it? by Shawn Heisey-2
1
by Shawn Heisey-2
reject_unknown_sender_domain seems not to work by Lars Liedtke
9
by Wietse Venema
Mailq timestamps in localtime rather than UTC by PeterDaem
13
by PeterDaem
Rewrite From header from old to new style by Dominic Raferd
10
by Maggie Q Roth
running a content_filter upon reinjection of a message with sendmail command by Michael Taboada
0
by Michael Taboada
Replace semicolon in recipient list by lucas2
7
by Wietse Venema
about MX hosts by Wesley Peng-6
1
by Viktor Dukhovni
anvil statistics logging by Fourhundred Thecat
1
by Benny Pedersen-2
Change info message to warning by miim
3
by Wietse Venema
Recipient address RESTRICTIONS are applied twice to the same e-mail with different parameters by actionmystique
4
by actionmystique
Remove duplicate header 'MIME-Version' by lucas2
3
by lucas2
Use of PERMIT in smtpd restriction lists by Dominic Raferd
2
by Dominic Raferd
TCP maps security risks & mitigations; Trualias alias mapping by Fred Morris
2
by Fred Morris
Enforced inbound TLS ciphers by lists
29
by Wietse Venema
how to add warning / banner in email body ? by jayesh shinde
1
by Bill Cole-3
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