Send Email with Swift

SendEmailViewController.swift

import UIKit
import MessageUI

class ViewController: UIViewController, MFMailComposeViewControllerDelegate {
    
    func sendEmail() {
        let mailVC = MFMailComposeViewController()
        mailVC.mailComposeDelegate = self
        mailVC.setToRecipients([])
        mailVC.setSubject("Subject for email")
        mailVC.setMessageBody("Email message string", isHTML: false)
        
        presentViewController(mailVC, animated: true, completion: nil)
    }
    
    // MARK: - Email Delegate 
    
    func mailComposeController(controller: MFMailComposeViewController, didFinishWithResult result: MFMailComposeResult, error: NSError?) {
        controller.dismissViewControllerAnimated(true, completion: nil)
    }
   
    override func viewDidLoad() {
        super.viewDidLoad()
        
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        
    }
}