public void AddToRecipients(IEnumerable <SourceAddress> recipients)
 {
     foreach (var recipient in recipients)
     {
         ToRecipients.AddRecipient(mailbox.Find(recipient));
     }
 }
 public void AddToRecipients(IEnumerable <Profile> recipients)
 {
     foreach (var recipient in recipients)
     {
         ToRecipients.AddRecipient(recipient);
     }
 }
 public void AddToRecipient(Profile profile)
 {
     ToRecipients.AddRecipient(profile);
 }
 public void AddToRecipient(SourceAddress recipient)
 {
     ToRecipients.AddRecipient(mailbox.Find(recipient));
 }