GmailConfiguration config = new GmailConfiguration();

Client = new GmailClient(config);

GmailClientWrapper wrapper = GMailService.ForClient(_client);

wrapper
.Send(b =>
       b.WithSubject("Some subject")
      .WithBody("Some Body")
      .WithCc("address"),
    "some address");

IMailMessage messagesReceived = _wrapper.GetMessages(By.Subject("Some subject"))[0];
 
 messagesReceived.Subject // "Some subject"
 messagesReceived.Body // "Some Body"