Anti-Virus Server Extension For Argosoft Mail Server Pro

I am currently running Argosoft Mail Server Pro 1.8.x on my server, but it does not have the ability to check email attachments for viruses. It does, however, have the ability to use server extensions (specifically .dll) for addons. I need a server extension created for Argosoft Mail Server Pro that can accurately scan attachments of all incoming mail by somehow getting a complete report of the files from online Kaspesky, AVG, or Norton definitions. I will NOT pay in full until the job is completed, as I have dealt with some people on this site that have completely ripped me off and getafreelancer wouldn't help. Thank you for yor time.