optimize antispam on our VPS Ubuntu 12 with dovecot/ispconfig

Avg Bid (EUR)
Project Budget (EUR)
€8 - €30

Project Description:
Our Unbutu [url removed, login to view] uses Dovecot/Postfix/ISPconfig. We are receiving lots op spam on our server/mailboxes. We are looking for someone who can optimize our server to block as much spam as possible.

Detailed reporting needed on what actions have been taken, including all changed configuration files.

Skills required:
Ubuntu, UNIX
About the employer:
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