Jim C. Nasby schreef:
Ruud H.G. van Tol:
this depends on whether procmail is running within the
SMTP-session, or only after the mail is already accepted. In the
second case, the receiver's service must (and will) create a
Non-Delivery Notice, even for a 75.
Huh? I don't believe there's any such requirement to send a notice
just because the email is temporarily delayed.
You're right. The receiver's service, that accepted the message, keeps
retrying delivery. Only if that doesn't succeed in a few days, it has to
generate a NDN, back to the Envelope-From address, unless that was <>.
After retrying a few times, some services do send a Note about the
persisting temporary error, saying something like "will keep on trying
for another 2 days".
--
Groet, Ruud
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