Description: MailScanner is an open source email security program that screens incoming and outgoing emails for spam, viruses, malware, and other threats. It works with common mail servers like Sendmail, Postfix, and Exchange.
Type: software
Pricing: Open Source
Description: SpamAssassin is a powerful open source anti-spam filter for email. It uses a variety of detection techniques and rules to identify and block spam emails before they reach a user's inbox.
Type: software
Pricing: Free