XMail is an Internet and intranet mail server featuring:

• SMTP, POP3, finger server
• Multiple domains
• No need for users to have a real system account
• SMTP relay checking
• RBL/RSS/ORBS/DUL and custom ( IP based and address based )
• Spam protection
• SMTP authentication ( PLAIN LOGIN CRAM-MD5 POP3-before-SMTP and custom )
• POP3 account syncronizer with external POP3 accounts
• Account aliases
• Domain aliases
• Custom mail processing
• Direct mail files delivery
• Custom mail filters
• Mailing lists
• Remote administration
• Custom mail exchangers
• Logging
• Multi-platform code