It's quite common for QMail to do this for the reasons you state.
Andy
-----Original Message-----
From: Adam Henry [
mailto:hank@marinar.com]
Sent: 01 July 2002 01:17
To: exim-users@???
Subject: [Exim] compuserve and callbacks
It would seem that Compuserve doesn't generate 550 errors on unknown
recipients--it waits and sends a message back to the sender that the
user doesn't exist. This makes callback useless.
Is this a popular way for a MTA to act? It would seem to generate
more bandwidth, but perhaps be a little easier on system load...
any thoughts?
hank
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