[pfx] Re: SMTP Smuggling, workarounds and fix

2023-12-30 Thread Håkon Alstadheim via Postfix-users
Just FYI, I got postfix 3.7.9-0+deb12u1 from bookworm-updates (i.e. Debian) today. ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org

[pfx] Should I allow "address verification" by rcpt to in bogus bounce messages ?

2024-09-09 Thread Håkon Alstadheim via Postfix-users
I got the attached report about a double bounce from my incoming postfix server "Postfix SMTP server: errors from nullbounce.com[116.202.14.127]:57394" . When I realize that this error is totally bogus, I want to blackhole that whole netblock. I see a double bounce, my heart jumps, I'm thinking

[pfx] Re: Should I allow "address verification" by rcpt to in bogus bounce messages ?

2024-09-10 Thread Håkon Alstadheim via Postfix-users
Den 10.09.2024 07:10, skrev Viktor Dukhovni via Postfix-users: Thank you SO much for taking the time. Appreciated! On Mon, Sep 09, 2024 at 05:14:07PM +0200, Håkon Alstadheim via Postfix-users wrote: I got the attached report about a double bounce from my incoming postfix server "Postfix

[pfx] postfix smtp connecting to wrong localhost

2025-04-14 Thread Håkon Alstadheim via Postfix-users
In the process of writing this email, I found the root cause of my problem :) , but anyway if anybody suffers similarly, and Just For The Record, I'll send it anyway, including the solution(s). I have a multi-instance setup to do spam-filtering before I expand aliases for a mailing-list. Mail

[pfx] Re: SMTPUTF8 best practices

2025-06-29 Thread Håkon Alstadheim via Postfix-users
Den 29.06.2025 15:40, skrev Dmytro Alieksieiev via Postfix-users: Hi Jorge, To have SMTPUTF8 enabled in system it should be supported by all components of mail system. If you have LMTP as f.e. Dovecot which not yet production ready for SMTPUTF8 (at least from my view, as it only got suppor