Is there a way I can put a rule in my
/home/vpopmail/domains/lds.dyndns.org/malcolms/.tmda/lists/blacklist
file or similar to do the following.
If the email claims to come from [EMAIL PROTECTED] ( [EMAIL PROTECTED]) to check if the senders IP address is in
/home/vpopmail/etc/tcp.smtp
OR
/home/vpopmail/etc/open-smtp
This would be VERY helpful to us.
We use pop3 authentication to allow relaying from our server so all valid people on my server will have their IP in one of those two files.
This would prevent spammers from sending me spam that's from [EMAIL PROTECTED] to [EMAIL PROTECTED]
OR
from [EMAIL PROTECTED] to [EMAIL PROTECTED]
There's no way a spammer could get their ip address into tcp.smtp or open-smtp. This would be a 100% fool proof way of stopping from mydomain to mydomain spam which we are seeing in ever increasing numbers.
I know there's the age old "don't whitelist [EMAIL PROTECTED]" and "don't whitelist [EMAIL PROTECTED]" etc. but in a large company those are not options that management will put up with.
If this is not already possable I think a program change would benifit all qmail users (and possably others).
Thanks
Malcolm
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