is there any option of esafe gateway 2.1 to block mail relay? I have 2 domain allowed to relay but no routing restriction in Exchange Server. Although I cannot send relay messages connecting via telnet to smtp server's port 25, Esafe logs show me relaying occurs.
Thanks for replies
Mustafa
-----Original Message-----
From: Srinivas Pulla [mailto:[email protected]]
Sent: Tuesday, December 26, 2000 9:39 AM
To: Muhammed Riyas Kunhi
Cc: ''
Subject: Re: [FW1] SMTP RELAYING
What Virus scan server are you using, if it is Trend's virus wall there is an option
for Anti relay and enable only the domain for which you wanted to relay, so it will
block all the rest except the allowed domain ( Assumming that the virus scanner is
listening on SMTP port and the requests are redirected to the Exchange server's smtp
port after scanning).
Thanks
Srinivas
Muhammed Riyas Kunhi wrote:
> 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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