Forwarding email as attachment instead of relaying it

Hi everyone, I have a user on my postfix example.com server that want all emails sent to u...@example.com to be "relayed" to u...@external.example.net. In main.cf I have set : virtual_alias_maps = hash:/etc/postfix/virtual # cat /etc/postfix/virtual u...@example.com u...@external.example.net Th

Re: Bounce mails manually

> Which is why on outbound Postfix instances I tend to set: > > delay_warning_time = 2h, I'm interested by this functionality but I don't want the external senders to be informed of local delivery problems. And setting 2 postfix instances seems heavy for a small email server. Is it possible

Invalid DKIM signature with `milter_protocol = 2` and folded header

Hi all, With `milter_protocol = 2`, the DKIM signature is invalid if a signed header is like "Subject:" in this test.eml attached example. ``` From: To: Subject: Folding_White_Space_and_too_long_subject_a Test ``` It works fine with `m

Re: SMTP session caching

Le 19/03/2018 à 16:28, Wietse Venema a écrit : Please provide quantitative evidence that connection reuse is necessary to get mail into the 'big providers' (i.e. they punish connection rate and message rate differently). Hi Wietse, The biggest email service provider in France : Orange/Wanadoo.

Re: Prevent local delivery for unix accounts

.27.48.6] said: 451 too many errors detected from your IP (X.X.X.X), please visit http://postmaster.free.fr/ (in reply to DATA command)) Is it possible to prevent local delivery for unix system accounts (id below 1000) ? Msd

Prevent local delivery for unix accounts

to system accounts like "www-data" with a usurped sender envelope and postfix bounces to the usurped address : the mailbox directory cannot be created. Regards, Msd

Re: Override a transport configuration parameter with its own name

mtp -o transportname_destination_concurrency_limit=3 Or do I have to use "-o smtp_destination_concurrency_limit=3" ? Regards, Msd

Override a transport configuration parameter with its own name

lt_xxx' or 'smtp_xxx' ? Like this : transportname unix - - n - 1 smtp -o default_destination_rate_delay=1s Regards, Msd

Re: How to change the sender of an e-mail ?

x27;m wrong, I can't do this with postfix VERP. For now, I'm looking at "MILTER" (on the advice of Wietse) or "SMTPD_PROXY" (which seems easier to implement for me). Thanks, Msd

How to change the sender of an e-mail ?

collect bounces), but having in this script an access to the "sasl_username" and the "recipient" to generate the new envelope sender. Thank you in advance for your reply, Msd

Re: In some rare cases Postfix connect to a wrong MX server

Hello, I have updated the bug with your information. Thank you very much for your help ! Guillaume Le 11/03/2016 16:48, Wietse Venema a écrit : Msd: Hello, I note in some rare case that Postfix tries to deliver an email to a wrong MX server. I have opened a bug to describe my problem

In some rare cases Postfix connect to a wrong MX server

Hello, I note in some rare case that Postfix tries to deliver an email to a wrong MX server. I have opened a bug to describe my problem here : https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/1549388/ Do you know what happens ? Thanks, Guillaume