l carr:
> Mar 27 16:20:54 redactedServer postfix/cleanup[24237]: warning:
> ldap:/etc/postfix/ldap-aliases.cf lookup error for "redacted@domain"
> Mar 27 16:20:54 redactedServer postfix/cleanup[24237]: warning: 745EC6AC49:
> virtual_alias_maps map lookup problem for redacted@domain -- deferring
> delivery
And:
> In: DATA
> Out: 354 End data with <CR><LF>.<CR><LF>
> Out: 451 4.3.0 Error: queue file write error
The mail delivery transaction failed due to some LDAP error, therefore
Postfix replied with a 451 (try again alter) status. Postfix removed
the queue file because the transaction failed. This is how SMTP works.
It's up to system administrator to fix the LDAP error, and it is
up to the client to resend the message.
To fix the LDAP error, I suggest that you use "proxy:ldap:" instead
of "ldap:". This reduces the number of concurrent connections to the
LDAP server.
As the error message says, "deferring delivery", this will defer
delivery (the soft-bounce safety net is implemented elsewhere).
Wietse
