Features

• 100% managed code
• CLS (Common Language Specification) compliant
• Stable and thoroughly tested code
• Complete C# source code optionally available
• Designed for ease of use from your code
• Both synchronous and asynchronous operations in SMTP, POP3 and IMAP classes. Designed according to .NET Framework asynchronous operations design patterns
• Events for integration with hosting applications
• Communication logging using CommandSent and ResponseRead events.
• Transfer monitoring with the TransferProgress events
• Supports advanced authentication methods such as Digest-MD5, CRAM-MD5 and NTLM
• Integrated authentication using NTLM
• All common firewalls and Socks4, Socks5 and HTTP CONNECT proxy servers are supported
• Suitable for both client and server applications
• Extensive stream support - download or save mail to stream, load or send mail from stream
• Error handling with .NET exceptions
• Supports SMTP, POP3 and IMAP over TLS/SSL standards in both explicit and implicit modes
• Both server and client certificate authentication possible
• TLS/SSL key exchange using RSA, DSA or RSA with ephemeral Diffie-Hellman
• TLS/SSL encryption/decryption using DES, Triple DES, RC2, RC4 or AES.
• Support for the forthcoming TLS 1.1 protocol
• Compatible with Rebex Mail for .NET - securing existing applications is very easy
• Certificate validation is fully customizable - your application can have complete control over what is accepted and what is not
• Includes SecureSocket component for general use. Defining all aspects of TLS/SSL handshake is possible
• Includes Rebex.Security component for X509 certificate management, validation, data signature/verification and encryption/decryption
• Message signing, signature validation with S/MIME
• Message encryption and decryption with S/MIME

Supported proxy servers

• Socks4
• Socks4a (Socks4 with domain name resolving)
• Socks5
• HTTP Connect