EnvelopeExtraHeaders Property
Gets a collection of additional message headers which have been explicitly requested from the server.

Namespace: MailBee.ImapMail
Assembly: MailBee.NET (in MailBee.NET.dll) Version: 11.2.0 build 590 for .NET 4.5
Syntax
public HeaderCollection ExtraHeaders { get; }

Property Value

Type: HeaderCollection
A reference to HeaderCollection object containing extra headers of the message if they were requested, or a null reference (Nothing in Visual Basic) if this information is not available or was not requested.
Remarks
See Also