>[4/1/2004 10:36 AM]  Raj Mathur :
>
>> A client is running NAT on a Linux box for his bandwidth customers.
>> Now he needs to be able to catch spam and virus e-mails at the NAT
>> gateway itself.  Is there any way to transparently redirect outgoing
>> SMTP into a local Sendmail (preferred) or other mail server for the
>> Milter-type stuff?
You can use a IPtable DNAT rule to redirect all SMTP traffic to an interface. Users 
need not change anything at their mail clients. DNAT will redirect all SMTP traffic to 
your internal interface. 

George K Cyriac








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