>i see this problem when external user try to relay mail trough my server,
>then i block their ip's and problem solved..
>
>but now i do the same thing, but the problem persist, i have to restart
>the smtp service every 45 min aprox, even qhe i can't send mail, the smtp
>service shows its state as up
That's because you are an open relay, which means that you are allowing
spammers free access to your mailserver (I still can't understand why
people would pay a company for mail service if that same company helps
spammers!). If you do something to prevent spammers from using your
mailserver (aside from simply blocking them after they have sent out
100,000 E-mails), we'll try to help you. To do this, you need to use the
"Relay for Addresses" or "No Mail Relay" options in IMail. Anything other
settings mean that you are offering a free service to spammers.
If you want to offer free E-mail service to spammers, that's your choice --
but like any free service, spammers *will* take advantage of it, probably
to the point where you have to reset the service every 45 minutes. If
that's the case, I can't help much until you stop allowing spammers to use
your service for free.
-Scott
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