C#- SMTP mail - System.Net.Mail

 

   1: MailMessage message = new MailMessage();

   2: message.From = new MailAddress("sender@foo.bar.com");

   3: message.To.Add(new MailAddress("recipient1@foo.bar.com"));

   4: message.To.Add(new MailAddress("recipient2@foo.bar.com"));

   5: message.To.Add(new MailAddress("recipient3@foo.bar.com"));

   6: message.CC.Add(new MailAddress("carboncopy@foo.bar.com"));

   7: message.Subject = "This is my subject";

   8: message.Body = "This is the content";

   9: SmtpClient client = new SmtpClient();

  10: client.Send(message);

  11:  

  12:  

Example of web.config configuration:

   1: <system.net>

   2:     <mailSettings>

   3:       <smtp from="test@foo.com">

   4:         <network host="smtpserver1" port="25" userName="username" password="secret" defaultCredentials="true" />

   5:       </smtp>

   6:     </mailSettings>

   7: </system.net>

My example using "localhost":

   1: MailMessage message = new MailMessage();

   2: message.From = new MailAddress("hello@world.com");

   3: message.To.Add(new MailAddress("hello@world.com"));

   4: message.Subject = "Mail from Idea Catcher";

   5: message.Body = "New idea was posted";

   6: SmtpClient client = new SmtpClient("Localhost");

   7: client.UseDefaultCredentials = false;

   8: client.Send(message);

here is the link for iis configuration in case of error - 5.7.1 Unable to relay for xxx - here

source1

source2