MimeKit.MimeMessage.GetMessageSigner C# (CSharp) Method

		MailboxAddress GetMessageSigner ()
		{
			if (ResentSender != null)
				return ResentSender;

			if (ResentFrom.Count > 0)
				return ResentFrom.Mailboxes.FirstOrDefault ();

			if (Sender != null)
				return Sender;

			if (From.Count > 0)
				return From.Mailboxes.FirstOrDefault ();

			return null;
		}