>The problem is that if you were to convince IMail that mail 
>addressed to @yourdomain.com should go to the host in the MX record, 
>then it WILL go there.  But, what is the virus scanner going to do?

scan it and forward it to the ip address of Imail, not to the MX 
record, that's the key point.

>It's going to send it to IMail.  IMail then sees that there is an 
>E-mail for @yourdomain.com.

... and delivers it locally, not remotely.

>So it sends it to the MX record... and you have yourself a mail loop.

no, Imail's host lookup would be short circuited by recognizing 
yourdomain.com as local, not remote. It does not send local mail to the MX.

Len


http://BIND8NT.MEIway.com: ISC BIND 8.2.2 p5  installable binary for NT4
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