[pfx] Re: Enforce TLS in smtp client sender based?

we want it :-) Have a nice weekend tobi On Fri, 2024-04-26 at 01:46 -0400, Viktor Dukhovni via Postfix-users wrote: > On Fri, Apr 26, 2024 at 07:21:24AM +0200, Tobi via Postfix-users > wrote: > > > Or would it be possible to use a sender_dependent_relayhost_maps > >

[pfx] Enforce TLS in smtp client sender based?

Hi I wonder if it is possible in postfix client to enforce usage of TLS based on sender. Just like in smtp_tls_policy_maps but based on sender of the message and not on rcpt or nexthop. The only way I can see so far is to setup another postfix instance with smtp_tls_security_level = encrypt and

[pfx] Logging of SMTP smuggling mitigation

Hello we use the "new" feature for the mitigation of the SMTP smuggling via > smtpd_forbid_bare_newline = yes in main.cf and wanted to ask if it would be possible to log more information upon such a reject > bare received after DATA (0 bytes) from mail- m121165.qiye.163.com[115.236.121.165]

[pfx] Re: Is it possible to add a dynamic value to a heder by header_checks?

the header via the milter app then :-) Cheers tobi On 23/03/2023 13:27, Matus UHLAR - fantomas via Postfix-users wrote: Dnia 23.03.2023 o godz. 12:48:36 Tobi via Postfix-users pisze: I wonder if the following is possible: can postfix add a header with a dynamic value? My goal would be to add

[pfx] Is it possible to add a dynamic value to a heder by header_checks?

Hi there I wonder if the following is possible: can postfix add a header with a dynamic value? My goal would be to add a header with the current unix timestamp on the edge system and then check that header against current time on last system in the delivery chain. Have a good one tobi