kWh6DjLe

1MailMessage o = new MailMessage("from@gmail.com", "to@gmail.com", "Subject", "Body");
2NetworkCredential netCred = new NetworkCredential("from@gmail.com", "password");
3SmtpClient smtpobj = new SmtpClient("smtp.gmail.com", 587);
4smtpobj.EnableSsl = true;
5smtpobj.Credentials = netCred;
6smtpobj.Send(o);
7	
8NetworkCredential netCred = new NetworkCredential("from@gmail.com", "password");
9SmtpClient smtpobj = new SmtpClient("smtp.gmail.com", 587);
10smtpobj.EnableSsl = true;
11smtpobj.Credentials = netCred;
12
13string[] Domains = { "gmail.com", "domain1.com", "domain2.com" };
14
15foreach (var domain in Domains)
16{
17    MailMessage o = new MailMessage("from@gmail.com", "to@" + domain, "Subject", "Body");
18    smtpobj.Send(o);
19}