From: Yanek Korff (no email)
Date: Mon Apr 01 2002 - 14:42:36 EST
I periodically (once a month or so) get complaints from users that their
mail isn't getting to a recipient, or saying that they've been told mail to
them has bounced.
This usually works like this:
1. External User sends mail to Internal User
2. Mail bounces; relay access denied
3. External User calls internal user saying our mail system is broken
4. Internal User calls me saying our mail system is broken
5. I explain to internal user:
a) Definition of Open Relay.
b) Why open relays are bad.
c) Why we block mail from open relays.
6. Then I explain to external user:
a) Definition of Open Relay.
b) Why open relays are bad.
c) Why we block mail from open relays.
d) What he needs to tell his postmaster.
Alternately, for the name resolution issue:
1. Internal user sends mail to External User (or vice versa)
2. Mail bounces (sender-domain does not resolve, or recipient domain does
not resolve)
3. Ext/Int mail user calls me saying our mail system is broken
4. I start talking about DNS & name resolution.
My question is this: Although -I- feel postfix is clear on why messages are
rejected, has anyone considered rewriting the error messages in more verbose
terms, like this:
This is an automated message from the mail system at <company name>. The
message you sent on <Date stamp> to <recipient> was rejected for the
following reason:
<relay access denied> or <sender domain does not resolve> etc
Followed by a paragraph and URLs relating to the error message.
Is this worth doing? Will people read it?
-Yanek.
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