How to send email in iphone. (iOS/Objective-C)

- (IBAction)openMail:(id)sender 
{
    if ([MFMailComposeViewController canSendMail])
    {
        MFMailComposeViewController *mailer = [[MFMailComposeViewController alloc] init];
        
        mailer.mailComposeDelegate = self;
        
        [mailer setSubject:@"A Message from MobileTuts+"];
        
        NSArray *toRecipients = [NSArray arrayWithObjects:@"[email protected]", @"[email protected]", nil];
        [mailer setToRecipients:toRecipients];
        
        UIImage *myImage = [UIImage imageNamed:@"mobiletuts-logo.png"];
        NSData *imageData = UIImagePNGRepresentation(myImage);
        [mailer addAttachmentData:imageData mimeType:@"image/png" fileName:@"mobiletutsImage"];	
        
        NSString *emailBody = @"Have you seen the MobileTuts+ web site?";
        [mailer setMessageBody:emailBody isHTML:NO];
        
        // only for iPad
        // mailer.modalPresentationStyle = UIModalPresentationPageSheet;
        
        [self presentModalViewController:mailer animated:YES];
        
        [mailer release];
    }
    else
    {
        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Failure" 
                                                        message:@"Your device doesn't support the composer sheet" 
                                                       delegate:nil 
                                              cancelButtonTitle:@"OK" 
                                              otherButtonTitles: nil];
        [alert show];
        [alert release];
    }

}



#pragma mark - MFMailComposeController delegate


- (void)mailComposeController:(MFMailComposeViewController*)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError*)error 
{	
	switch (result)
	{
		case MFMailComposeResultCancelled:
			NSLog(@"Mail cancelled: you cancelled the operation and no email message was queued");
			break;
		case MFMailComposeResultSaved:
			NSLog(@"Mail saved: you saved the email message in the Drafts folder");
			break;
		case MFMailComposeResultSent:
			NSLog(@"Mail send: the email message is queued in the outbox. It is ready to send the next time the user connects to email");
			break;
		case MFMailComposeResultFailed:
			NSLog(@"Mail failed: the email message was nog saved or queued, possibly due to an error");
			break;
		default:
			NSLog(@"Mail not sent");
			break;
	}
    
	[self dismissModalViewControllerAnimated:YES];
}