[pfx] Dedicated servers for Address Verification Probes

Hi all, is it possible to have several Postfix instances to use a centralized Postfix server for address verification probes when this centralized server is NOT an MDA but a relay to external MDAs? Thanks in advance! Pete. ___ Postfix-users mailing

[pfx] Re: Postfix stopped logging lines with sender IP addresses after upgrade

On Tuesday, January 2, 2024 at 08:46:01 PM GMT+1, Vince Heuser via Postfix-users wrote: >I recently upgraded to mail_version = 3.4.23 >Suddenly, Postfix no longer logs the lines with IP addresses for the >connections. >There use to be some additional log lines with sender ip addresses.

[pfx] Re: SMTP Smuggling and filters

Thanks Wietse, yes it is clear in your doc, but both messages go through filter?? despite what the MAIL FROM is? Thanks, Pedro. On Tuesday, December 26, 2023 at 03:34:34 PM GMT+1, Wietse Venema via Postfix-users wrote: Pedro David Marco via Postfix-users: > To my understand

[pfx] SMTP Smuggling and filters

Hi all, after reading the documention from Viktor and Wietse about this issue, there is still something i do not have clear enough... Please excuse me! How does Postfix behave with the smuggled email? i mean... what happens with Milters and after-queue filters?  To my understanding, the

[pfx] Re: Chaining XFORWARD

Thanks Wietse, sometimes we want to stretch Postifx like gum beyond limits... Thanks again, Mr! Pete. On Thursday, October 12, 2023 at 02:32:11 PM GMT+2, Wietse Venema via Postfix-users wrote: Pedro David Marco via Postfix-users: > Hi, > Postfix documentation states c

[pfx] Re: *.mail.protection.outlook.com reporting "452 4.5.3 Too many recipients (AS780090)" for many domains

Microsoft incident EX680695 (sorry if i recall wrongly). Solved now! Pete. On Wednesday, October 11, 2023 at 03:24:03 PM GMT+2, Matus UHLAR - fantomas via Postfix-users wrote: On 11.10.23 15:06, Ralf Hildebrandt via Postfix-users wrote: >Since this morning, various MX hosts in

[pfx] Chaining XFORWARD

Hi, Postfix documentation states clearly that XFORDWARD is intended for scenarios like this: Client -> MTA1->  Content_filter -> MTA2 And then Content_filter is able to get  the IP of Client. Works great! But i was wondering... what i chain more MTAs? Client -> MTA1 - > MTA2 -> Content_filter ->

[pfx] Content_filter selection based on sender domain

Hi all, does anyone know how to use different content_filter based on sender domain? Thanks in advance! Pete. ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org

[pfx] Re: Getting Recipient when Message size limit is exceeded

Thanks all!!! digging it Pete. On Friday, July 7, 2023 at 09:45:03 PM GMT+2, Wietse Venema via Postfix-users wrote: If no-one else posts one, I can post a solution that: - relies on smtpd_delay_reject=yes to postpone check_policy lookup until RCPT TO. - disables the SIZE

[pfx] Getting Recipient when Message size limit is exceeded

Hi all... Currently Postfix do not show in log the Recipient of emails that exceed Meesage_size_limit becasue MAIL FROM comes before RCPTO TO... butis there any nice way of forcing Postfix to reject that email after the RCPTO TO? I have considered to make a body check like this: /.{10-}/