Bounce emails not working

[lapena]

Hello,

I've just noticed that if I send a mail to a wrong address, I don't receive back any bounce mail.

In maillog I see the mail coming to the wrong address and this error "Recipient address rejected: User unknown in local recipient table"

I've checked postfix main.cf file :
soft_bounce = yes

Do you know where I could look in order to fix this problem ?


Kindest regards,
lapena

[till]

Please post the exact error message that you got in the mail log.

[lapena]

Please post the exact error message that you got in the mail log.

I do not receive any error message, nothing appears.

Anyway I've just received this message (bounce email) :

The problem is that the code is 450 (temporary failure) and the delay seems to be serveral days. I've modified postfix main.cf file to include these lines:

unknown_local_recipient_reject_code = 550

So that in this case the bounce mail should be sent immediatly. But after a restart, it still doesn't work and in the log it's still the error code 450.

[falko]

unknown_local_recipient_reject_code = 550

This configures your local server (if someone sends a mail to a non-existing recipient on your server), but not the remote server. You'd have to contact the remote server administrator if you want to get bounce mails.