I have recently run into a problem, that I'm having a little difficulty
correcting.
I run a Debian Mail server:
sendmail 8.13.4
mimedefang 2.5.1
Sendmail is configured with:
MASQUERADE_AS(`fullcompass.com')dnl
MASQUERADE_DOMAIN(`fullcompass.com')dnl
FEATURE(`allmasquerade')dnl
FEATURE(masquerade_entire_domain)dnl
FEATURE(`masquerade_envelope')dnl
FEATURE(limited_masquerade)dnl
FEATURE(relay_entire_domain)dnl
I discovered, by accident, that outgoing mail, with a non-local domainname,
for the sender (accidentially misspelled in this case), is relayed without
complaint.
The misspelled domain does resolve on the internet.
I have not been able to figure out how to cause sendmail to either reject, or
rewrite, the sender in this case.
Mimedefang is configured with "filter_sender" which currently verifies that
address, which claim to be from my domains are actually from an IP address in
my domains. I am considering adding reverse tests, to verify that mail from
one of my IP addresses actually claims to be from one of my domains.
Since I don't believe that filter_sender can rewrite the address (this would
be acceptable in this case), I think I would have to REJECT the message.
Can anyone suggest a better solution?
Thank you,
--
Larry G. Starr - [EMAIL PROTECTED] or [EMAIL PROTECTED]
Software Engineer: Full Compass Systems LTD.
Phone: 608-831-7330 x 1347 FAX: 608-831-6330
===================================================================
There are only three sports: bullfighting, mountaineering and motor
racing, all the rest are merely games! - Ernest Hemmingway
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