UIDPLUS extension. You can use return value of UploadMessage(String, IMail), UploadMessage(String, String), copy and move methods. (http://www.faqs.org/rfcs/rfc4315.html)

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

Syntax

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

See Also