Which all port I should open for the MailScanner

[Devendra Kumar]

Hi All,
           I have configured MailScanner in my company. But I feel its 
not blocking the spam mails. I need to open some port for this in our 
firewall so that it could able to contact RBL sites. Can anyone help me 
to know the port numbers to be opened in Firewall.

Regards
Devendra Kumar
Systems Engineer
Multitech Software System India Pvt. Ltd.
Bangalore-560095

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