Voici un extrait du code :
using System.Net; // Net
using System.Net.Mail; // Emails
MailMessage Email = new MailMessage();
Email.From = new MailAddress(FFromMail, FFromName);
Email.To.Add(FToMail);
Email.Subject = FSubject;
Email.Body = FBody;
SmtpClient SmtpMail = new SmtpClient(FHost, FPort);
SmtpMail.Credentials = new NetworkCredential(FUsername, FPassword);
string sTemp = "";
SmtpMail.SendAsync(Email, sTemp);