MailComposeViewController - Send email in iOS

gistfile1.m

- (void)mailComposeController:(MFMailComposeViewController*)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError*)error
{ 
    // Notifies users about errors associated with the interface
    switch (result)
    {
        case MFMailComposeResultCancelled:
            break;
        case MFMailComposeResultSaved:
            break;
        case MFMailComposeResultSent:
            break;
        case MFMailComposeResultFailed:
            break;
            
        default:
        {
            UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Email" message:@"Sending Failed - Unknown Error :-(" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];
            [alert show];
        }
            
            break;
    }
    [self dismissModalViewControllerAnimated:YES];
}

- (void)sendLinkInMail
{
    MFMailComposeViewController *mailController = [[MFMailComposeViewController alloc] init];
    mailController.mailComposeDelegate = self;
    [mailController setSubject:self.link.title];
    NSString *messageString = [NSString stringWithFormat:@"%@ - %@", self.link.title, self.link.url];
    [mailController setMessageBody:messageString isHTML:NO];
    if (mailController) [self presentModalViewController:mailController animated:YES];
}