What do I need for email virus checking on debian server?

[Motiv8d <Motiv8d@Westnet.net.au>]

Hi Further to my last post.  I would also like to be able to virus check 
email attachments, change extensions on .js etc
What would be the suitable antivirus options? and
Email package or addon that allows rule based modification of attachments 
and does the other things my last post mentioned.

Thanks in advance

Motiv8d
Motiv8d@Westnet.net.au


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