Selectively allow .exe attachments

[Walter D. Wyndroski]

Thank you for the informative reply. I know the rules have been discussed in here, but I was unsure how to handle the filename rules. I know much is easily customized with MailScanner. The only unfortunate thing about MailScanner is that I have not had enough to time to study and to learn its powerful rule-based system. Once again, thank you pointing me in the right direction even though rules had been discussed on prior occasions.

Walt Wyndroski
  ----- Original Message ----- 
  From: Julian Field 
  To: MAILSCANNER at JISCMAIL.AC.UK 
  Sent: Sunday, October 12, 2003 2:07 PM
  Subject: Re: Selectively allow .exe attachments


  Rulesets pointing to filename.rules.conf file have recently been discussed here. Please search the mailing list archive.

  Basically,
          Filename Rules = /etc/MailScanner/filename.rules
  And in there put
  To: user at domain.com     /etc/MailScanner/allow.exe.conf /etc/MailScanner/filename.rules.conf
  FromOrTo: default /etc/MailScanner/filename.rules.conf

  In allow.exe.conf put
  allow   \.exe$  -       -
  (separate the fields with tab characters)
          
  At 18:53 12/10/2003, you wrote:

    I have a customer who 'must' receive an .exe attachment periodically from there parent company. The parent company said they would not rename the attachment ant told their remote branch (my customer) to either have the ISP fix it or find another service provider.
     
    I'm thinking I can add a rule set in place of the .exe rule entry in the filename.rules.conf. Is this feasible, and if so may I have a brief example.
     
    Would it be better to make a rule for .exe which refers to another rule file then:
        1) In that rule file, say if To: customer at isp.com  'another rule.file'  and 'Default deny'
        2) Then in the another rule.file say From: parent branch accept' and deny the rest.
     
     
    I know that is not the complete syntx, but just a brief example. Is this worth pursuing or should I let it go?
     
    Thank you in advance.
     
    Walt Wyndroski



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