Released: Apr 24, 2013

Updates in this release

Updates in V4.0

• Model-View-Controller design uses fewer resources, is more flexible and produces code that is easier to maintain.
• Improved use of .NET features including generics and IPv6.
• Robust IMAPv4, POP3 and SMTP support.
• Improved thread-safe design.
• SSL support for secure communications.
• Added NTLM and GSSAPI, supporting single sign-on.
• Improved support for international email addresses and domains when using .NET 4.0+.
• Support for DNS resolution of international domain names.
• Simplified MailMessage object, making it easier to use.
• Support for S/MIME encrypted and signed e-mails.
• .NET Framework Client Profile compatible.
• 64-bit OS support.