> I have free mail service, but someone in japan is signing up and then
> using my server for his purposes: SPAM.
>
> How can I stop this guy without stoping my free mail service?
There are a couple of ways you can handle this:
[1] Find a way to make users accountable for their actions. In the early 90's, when
we offered free E-mail (back in the UUCP days, where it cost long distance $$$ to
send/receive mail), we made the users sign an agreement form with us. Today, that
would be harder to get users to agree to, but perhaps a simple terms of service, and a
phone/address verification of some sort.
[2] Find out what IP address(es) they are coming from, and block them with IMail.
Another option (although I may get yelled at!) is to wait for our Declude Hijack to be
ready (it's almost in beta testing), that is designed for people who can't lock down
their mail server (SMTP AUTH problems, etc.), or who have users who are sending spam.
It will let you limit the amount of mail that any given user (IP) can send out in a
given time period.
--
-Scott
Declude: Anti-virus and Anti-spam solutions for IMail. http://www.declude.com
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