RE: [FW1] SMTP relay & Spam mail problem

[Chris F <freaknetboy@FW1-NOSPAMyahoo.com>]

It's not just your Exchange box -- it's also FW1's
SMTP Security Server.

Limit your "Sender" and "Recipient" setting in your
Resource rule for your AV.

I have posted how to do this (as well as others have)
on this list. Search this list's archives

HTH -- Chris

--- calshatti@gic.com.kw wrote:
> I had this problem. Had to upgrade to 3.5 and then
> add a patch file from
> them, because if you are using the disclaimer it
> will strip the email
> message and attachment randomly.
> 
> Crystal Al-Shatti
> Enterprise Network Security Manager
> Gulf Investment Corp, Kuwait
> calshatti@gic.com.kw
> 
> 
>  -----Original Message-----
> From: 	Mohan Sundar [mailto:mohi_v@hotmail.com] 
> Sent:	Wednesday, May 23, 2001 11:35 PM
> To:
> fw-1-mailinglist-digest@beethoven.us.checkpoint.com
> Subject:	[FW1] SMTP relay  & Spam mail problem
> 
> 
> Hi All,
> 
> 
>      I have CheckPoint Firewall-1 ver 4.1 with SP3,
> Interscan Viruswall ver 
> 3.4 and MS Exchange server 5.5.
>   I have SMTP resource (Viruswall) rule to scan all
> Inbound SMTP traffic. I 
> have few POP3 users who  uses my Exchange server as
> a relay host. this setup
> 
> is working well without any problem.
> 
>   But few days back I came to know that somebody is
> using my Exchange server
> 
> as a relay host and generates Spam mails,I tried the
> following:
> 
> 1.I enabled authentication for POP3 users in 
> Exchange server - it
>   stopped Spam mail generation, but POP3 users not
> able to send mails.
> 
> 2.I enabled " HOSTS AND CLIENTS CONNECTING TO THESE
> INTERNAL ADDRESS "
>   option in Exchange server and specified my
> Exchange server IP address
>   - Now The spam mail got started  but POP3 users
> able to send &
>   receive  mails.
> 
> I need to restrict my Exchange server not to be used
> as relay host except my
> 
> autherised users, without disabling SMTP virus
> scanning.
> Would like to hear your valuble suggestions.
> 
> Thanx in advance.
> 
> Regards,
> MOHi
> 
>
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> 
> 
> 
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