STARTTLS is supported. You can use StartTLS()()()() to secure the connection. (http://www.faqs.org/rfcs/rfc2595.html)

Namespace: Limilabs.Client.IMAP
Assembly: Mail (in Mail.dll) Version: 3.0.12102.1426

Syntax

C#
public static ImapExtension StartTLS
Visual Basic
Public Shared StartTLS As ImapExtension
Visual C++
public:
static ImapExtension^ StartTLS

See Also