Configure postfix with amavisd, clamav and spamassassin

1. Properly configure postfix with amavisd, clamav and spamassassin. 2. Configure these tools to accept mail from defined local networks and specific hosts, and to local addresses (defined in postfix aliases). 3. Provide blocks for backscatter spam by rejecting mail to unknown addresses, and by not sending bounces (e.g. fail silently). 4. Provide general advice for preventing and distributing spam. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows? (depending on the nature? of the deliverables): a)? For web sites or? other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software? installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). 4) Messages sent through the system that is configured is confirmed to be properly sent and blocked according to the rules defined in this bid and the already existent postfix config. ## Platform Apple OS X Server 10.4