Le 2024-05-22T10:15:34.000+02:00, Matus UHLAR - fantomas via
Postfix-users <postfix-users@postfix.org> a écrit :

> On 21.05.24 15:13, Kevin Cousin via Postfix-users wrote:
>>  We are using Postfix as relay for our internal apps. This apps
>>  are
>>  
>>  sending mails to final users with from nore...@example.net, but
>>  
>>  sometimes, adresses are wrong and a Non delivery notification is
>>  
>>  generated ans sent back to nore...@example.net.
>>  
>>  Is it any way to disable this notifications only to "noreply@xxx" 
>>  
>>  (without disabling NDN) ?
>>  
>>  It seems creating an header check To: noreply@ DISCARD is not the
>>  good
>>  
>>  way.
> 
> how do you handle situations when you send mail to non-existing
> recipient?
> 
> because keeping sendins mail to them may cause troubles.

I don't have any control of recipients. When users (aka apps we host)
sends mails to non-existing recipient, the mails are bounced, as usual
in Postfix.

Thats the trouble I try to avoid to our Postfix instances. 

Some teams are cleaning their mail database periodically, but the
email  adress came from end-users.


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