[Mimedefang] md_check_against_smtp_server and md_graphdefang_log

[kd6lvw at yahoo.com]

--- On Tue, 3/26/13, Tilman Schmidt <t.schmidt at phoenixsoftware.de> wrote:
> ...
> In fact, there isn't even a 100% guarantee that a mailserver
> will return an extended code at all, let alone one that
> correspond to the actual reason for the rejection.

Exactly.  So how does the OP conclude that the error was "no such user" as the recipient when in truth, he doesn't know?   Big problem.