rules and domain name lookups

[Gardener, Ray A]

Hi, 
 
I want to configure the spam checking option so that it is not done for mail from specify domains. I can see in the
/opt/MailScanner/etc/rules/EXAMPLES directory that you seem to be able to do something like this: 
 
_____________________________________________________________________________________________
The pattern describes what messages should match this rule.
   Some examples are:
        user at sub.domain.com     # Individual address
        user@*                  # 1 user at any domain
        *@sub.domain.com        # Any user at 1 domain
        *@*.domain.com          # Any user at any sub-domain of "domain.com"
        *@domain.com            # Any user at 1 specific domain
 
 
These examples suggests that the domain that is checked is the one declared in the sending email address. 
 
However what I want to happen is:
 
1)       I declare a domain that should be checked. 
2)       Mailscanner does a reverse lookup on the incoming IP connection and if the IP address is in the domain listed don’t do a
spam check.
 
 Can this be done and if so what is the syntax please?
 
Regards,
 
Ray Gardener,
CIS,
Sheffield Hallam University
Telephone: 0114 225 4926
R.A.Gardener at shu.ac.uk

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