How to Control SMTP heading on firewall Checkpoint?

May 27, 2005 4 Replies
L

Hello, I want to do a policy which only allow mail which observe these conditions:



-> The SMTP heading is not "my_company.com" => Accept



-> The SMTP heading is "my_company.com" => if the IP is (for exemple)



10.0.0.15 then Accept else=> refuse

This policy would permit to reduce a part of spam into my company


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W

  1. Underscores are illegal in DNS names.
  2. What do you mean with 'SMTP heading'?

see above.

???

If you want to filter spam, use a mail server with spam filtering capabilities. Checkpoint FW-1 is not the right tool for that purpose.

Wolfgang

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L

I know "_" are forbidden in DNS names, but it's just an example. I saw there is a resource called SMTP which I could use to filter mail.

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A

If you running NG AI you could utilize smartdefense - with a subscription you could download blocklists from Dshield

AV

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