>This kind of off topic, but our mail servers are being bombarded by spamm
>mail. Does anybody know what is the best way to stop this? In the SMTP
>Security tab I have set the mail relay option to "Relay for local users
>only". I would appreciate any help.
There are two very different types of "bombarded by spam". One is actual
spam that you are receiving (IE you retrieve your mail and find a bunch of
spam), the other is relayed spam (where a spammer is sending out their mail
for free using your mail servers).
I'm guessing yours is the second case, since you're talking about the relay
settings. In that case, you are an "open relay", and you need to close
it. To not be an open relay, you can either use IMail's "Relay for
addresses" (in which case you would enter a list of "safe" IP addresses
that your users may come from; anyone not coming from those safe IPs would
need to use SMTP AUTH), or "No mail relay" (which really means that
everyone must use SMTP AUTH). Note that relay setting apply only to
outgoing E-mail, so no matter what your settings are, your users will still
be able to get mail.
-Scott
---
Declude: Anti-virus, Anti-spam and Anti-hijacking solutions for
IMail. http://www.declude.com
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