> My ISP is telling me that I have to shut down my mail server. They
> say because I have open relay, even though I have never had a spammer
> get me.
That's kind of like leaving your front door unlocked, and saying "Nobody has ever
robbed me before." As all those investment things say, "Past performance does not
guarantee future results."
A spammer *will* find you if you don't close the relay.
> The problem that I have is I host email for about 30 clients that I
> have and they logon from their offices and homes so I can not specify
> the IP address to relay for ( what is the point if you can only send
> from the office? )
> What are my options with Imail...
"Relay mail for addresses", perhaps with just your mail server's IP address in there.
Then, everyone else can use SMTP AUTH.
> Does any one know of a mail server that uses smtp
> before POP or a way to secure Imail .
For free, you can have people use SMTP AUTH. I'm not aware of a pop-before-SMTP
option for IMail. If you don't want to use SMTP AUTH, we have a program in beta now
that will prevent spammers from using your open relay while not requiring any changes
to your users' configuration.
--
-Scott
Declude: Anti-virus and Anti-spam solutions for IMail. http://www.declude.com
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