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qmail SMTP server rejecting DB2 email notifications


My company runs qmail on their SMTP server, as well as on the Linux
machines that contain DB2 instances. When I used Control Center to
test email notification with a DB2 V8.1.4 server on Linux, I always
got a dialog that said that the test message was sent successfully.
However, I never actually received the test message.

When I asked one of my Linux admins to look into it, he noticed that
the SMTP server (qmail, in thie case) was throwing a 451 error, and
mentioning a URL at http://pobox.com/~djb/docs/smtplf.html

That URL discusses qmail's unwillingness to accept improperly formed
linefeeds (LF instead of the proper CR+LF). Who is in the right here?
Is DB2 trying to send a malformed email message, or is qmail making
false accusations? At the moment, I'm leaning towards qmail being in
the right, since the DAS is clearly ignoring the 451 error thrown by
the SMTP server.

Fortunately, using a different SMTP server (in this case sendmail for
Solaris) is an effective workaround.

If IBM has tested email notification on a Linux SMTP server, which one
did they use?

Nov 12 '05 #1
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