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Re: [FW-1] SMTP Question



How about:

create an smtp resource with a match property for the 'From' field of
*@yourdomain.com. Then use the rules:

Any -> Mail Server -> SMTP Resource -> drop
Any -> Mail Server -> SMTP -> Accept

As long as the resource rule comes before the general rule, it will drop the
mails that match and all the others will pass through on the second rule.

-----Original Message-----
From: Christopher Collins [mailto:[email protected]]
Sent: Wednesday, June 19, 2002 1:32 PM
To: [email protected]
Subject: Re: [FW-1] SMTP Question


Does anyone have any insight or suggestions on this?

 -----Original Message-----
From:   Christopher Collins [mailto:[email protected]]
Sent:   June 17, 2002 4:24 PM
To:     [email protected]
Subject:        [FW-1] SMTP Question

How would I set up a rule in FW-1 4.1 so that if a message comes into the FW
from an external IP with any of my domain names as the sender, I drop or
reject the message? I have no external users, so this should never occur. I
think this may help with my spam problem.

Also, does anyone know the implications of dropping or rejecting those
messages? Will it retry for 3 days and then send an undeliverable message?
If my user is the sender, will the undeliverable also bounce off my FW? I
think it may cause a mail loop somewhere if the sender and receiver are the
same address.

Any insight or suggestions welcome.

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