Mail sender

Mailer.cs

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Net;
using System.Net.Mail;
using System.Web;

namespace MSPTunisia.Models
{
    public static class Mailer
    {
        public static int SendEmail(string to, string subject, string body)
        {

            SmtpClient client = new SmtpClient()
            {
                Host = "smtp-mail.outlook.com", // if Gmail use : "smtp.gmail.com"
                Port = 587,
                EnableSsl = true
            };

            client.Credentials = new NetworkCredential(
                "SENDER_EMAIL",
                "SENDER_EMAIL_PASSWORD");

            MailMessage mm = new MailMessage();
            mm.From = new MailAddress("SENDER_EMAIL");
            mm.To.Add(to);
            mm.Subject = subject;
            mm.Body = body;
           
            client.Send(mm);
            return 1;
        }

       
    }
}