[FW1] SMTP RELAYING

[Muhammed Riyas Kunhi <Riyas@FW1-NOSPAMadwea.gov.ae>]

Dear Friends,

I am using checkpoint firewall1 ver 4.0 with windows Nt Service pack 4.0.
And My mail server (Exchangeserver5.5 with srv4 and win NT4 with Srv6a) is
configured going through firewall and I am using antivirus server as well.
>From my exchange server I blocked the smtp relaying by using routing
restriction for only authenticated user and it is working fine for internal
network. But if any body try to use our mail server for relaying their mail
from outside firewall, then firewall is just allowing to come inside to the
exchange and exchange is making a non delivery for this mail. Is there any
way to block the SMTP relying from firewall itself.

Any help will be appreciated.

Thanks



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