Password protected zipped files - can they be allowed for one domain only?

[mikemachin]

Hi,
One of our suppliers insist on using password protected zip files, can the system be set to allow them to and from this source only?

I am aware this can be done on our whole spam filter.

[shawniverson]

Yes, it should be possible to do this as a rule set...

Change this in /etc/MailScanner/MailScanner.conf

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Allow Password-Protected Archives = no

To this....

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Allow Password-Protected Archives = %rules-dir%/pp.archives.rules

Create /etc/MailScanner/rules/pp.archives.rules

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FromOrTo:       somedomain.net   yes
FromOrTo:       default         no

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sudo service MailScanner restart