Heads up sendmail users.
After running the big pile of upgrades over the weekend I have noted a
change in behavior in sendmail. The current running version is
sendmail-8.13.1-3.2.el4.
Specifically sendmail started ignoring the relay by IP rules in the access /
access.db files.
they were formatted as such (IP addresses changed for privacy)
192.168.0.0/27 RELAY
After a bunch of testing with sendmail -bt I discovered that the behavior
had reverted to the old school style of access that does not allow for CIDR
notation thus:
192.168.0 RELAY
The purpose of the sendmail patch was to fix a hole where an outside user
posing as localhost.localdomain could relay. This is a rule related to
access / access.db. I am theorizing that the developers reverted that part
of the code back to an older version.
Is anyone else noticing this? I may be way off in my assumtions. However,
I'm not a coder and have to work off of trial and error when
troubleshooting.
Was the sendmail upgrade part of the 4.5 push?
Regards,
James
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