Thomas:
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> I do not realy understand the problem here ...
>
> When a mail is send to a remote SMTP server, wrong addresses get
> rejected with 550 ...
>
> But that IS of course a Mail that returns to the send - it has the title
> "Undelivered Mail Returned to Sender" and contains a message like
> "Recipient address rejected: User unknown in local recipient table"
>
> And, if i understand Gary correctly, he does not what such a mail - just
> a silent drop ...
>
> There are many mail servers out there, that are configured like this!
>
> So, it?s valid questions and a valid configuration, IMHO!
No it's not. Before he accepts the mail, he must check that the user exists.
Accepting mail for a non-existent user and then dropping the bounce
is the wrong solution for the wrong problem.
I will fight tooth and nail against the idiots that encourage such
preposterous configuration.
Wietse