Messaging Server Security and Access Control

Messaging Server provides the following security and access control features:

• Support for password login and certificate-based login to POP, IMAP, HTTP, or SMTP

• Support for email encryption using S/MIME

• Support for standard security protocols: Transport Layer Security (TLS), Secure Sockets Layer (SSL) and Simple Authentication and Security Layer (SASL)

• Delegated administration

• Client IP address access filters to POP, IMAP, SMTP, and HTTP

• Filtering of unsolicited bulk email using system-wide, per-user, and server-side Sieve rules

• Support for milter-based email filtering