[FW1] Mail Proxy. Anyone can help me?

[Carlo Malandrini <cmalandrini@FW1-NOSPAMMailAndNews.com>]

Hi everybody,
I am a rookie in security solution deployment so I hope that someone can help 
me. My company is planning to install Check Point FW-1 as corporate firewall 
to protect its business from the bad guys of the Internet and we already have 
MS Exchange Server 5.5 as mail sistem. We plan to leave the mailserver in the 
internal network, but we are just wondering if it is a safe behavior to allow 
external mail servers to connect to ours directly through the firewall or if 
it better to install a mail proxy (maybe set up in a dmz) with the task of 
accepting inbound mail connection. In the latter case, this mail proxy should 
be skilled enough to detect some evil behavior (spamming, relaying, bad mail 
protocol systax and so on).

Thanks in advance

Carlo Malandrini



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