On Sat, 10 Apr 2004 20:45:33 +0530, Suresh Ramasubramanian wrote
>
> > i have one question. is there any way to check whatever ip address of other
> > side is equal to mail from's domain part mx record while we're relaying mail
> > for local user, i.e. if ip address is not equal this is probably a spam
> > message and we can discard it.
>
> that would be a dumb thing to do.
>
> most large ISPs split their systems and don't send outgoing mail from
> the servers listed as their MX - they usually use a different cluster
> for incoming, and another for outgoing email.
aha, i see... we don't have in our country clusters of mail servers even at
providers of first level, so according to your knowledge, what is possibility
of such clusters (incoming and outgoing) to be in different classes of the
same network?
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Open WebMail Project (
http://openwebmail.org)
