>It doesn't matter to me whether we use the JunkMail product or the Hijack
>product. I simply want to stop the external spammers from using our server
>as a relay point and at the same time I want to stop the scans from groups
>like ORBZ.
>
>In our situation we have to keep an open relay because of how our clients
>connect to us. It's not practical to load up the IMail "allow" list with
>tons of IP addresses.
Can your clients use SMTP AUTH? If so, you can use IMail's "No Mail Relay"
and have everyone use SMTP AUTH. That's the recommended way to be set up.
> We also have a number of clients who send out their
>own legitimate bulk e-mail mailings to their subscribers so we need to allow
>that outbound traffic as well.
>
>Based on this additional information, which product will take care of the
>job??
The best option would be to close the relay completely, and have your
clients use SMTP AUTH. You could instead use "Relay for Addresses",
telling everyone that they need to use SMTP AUTH, but adding the IP
addresses of the few that resist.
If you are looking for protection with Declude, there are two
options. Declude Hijack is designed to prevent unauthorized bulk
mailings. However, if you have legitimate bulk mailers, they will either
need to come from the same IP address each time (Declude Hijack can
"whitelist" that IP), or they would need to use IMail's mailing lists.
Declude JunkMail Pro can also be used to scan outgoing E-mail, the same way
that it scans incoming E-mail for you. However, if a spammer doesn't get
caught on the first E-mail, all of his E-mails will go out. That's just
the drawback of spam scanning.
-Scott
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