Conflict between sendmail 8.9.0 anti-relaying and POP mail

From: Larry Griffith <larry_at_garfield.wsc.mass.edu>
Date: Tue, 16 Jun 1998 09:43:41 -0400

Dear Managers,

        I finally got sendmail v.8.9.0 compiled and running, but I've run into
a new problem. By default sendmailv890 refuses to relay mail, generally a good
thing that I would like to keep. However, POP mail users complain that any
mail they try to send is treated as a relay and refused.

        Since this is a college, many POP users are students coming in via their
ISPs. Hence they are not inside our domain. Further many of the ISPs use
dynamic addressing, so I would have to authorize large domains for relaying,
which is almost as bad as allowing promiscuous relaying. Is there any way
to get sendmail to authorize relaying based on service (e.g. POP) rather than
based on domain or IP address? I can't find anything in the sendmail documen-
tation.

                                                        Larry


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Larry Griffith Dept. of Computer & Info Science
larry_at_garfield.wsc.mass.edu Westfield State College
(413) 572-5294 Westfield, MA 01086 USA
PGP public key available at: http://garfield.wsc.mass.edu/dcis/griffith.html
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Received on Tue Jun 16 1998 - 15:44:46 NZST

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