Note that Postfix replies with:
User unknown
Meaning: the recipient domain matches $mydestination, but the
user was not found in $local_recipient_maps.
and that Postfix did not reply with:
User unknown in virtual alias table
Meaning: the recipient domain matches
Venkat:
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Note that Postfix replies with:
User unknown
Meaning: the recipient domain matches $mydestination, but the
user was not found in $local_recipient_maps.
and that Postfix did not reply with:
User unknown
Hello again List,
I hope I can bother you again for an issue we have been noticing.
Occasionally, we will see random 550 bounces when resolving aliases stored
in LDAP. I have used postmap -q to verify the alias on each of our 3
Postfix mail relays and it resolves correctly. Our architecture is as
Venkat:
The final delivery address is an Exchange 2010 server.
The issue we have been experiencing is that when resolving a LDAP alias, it
will occasionally result in bounced messages with a 550 error. Strangely
though, this happens to only a very small number of aliases. In cases where
this