1.The sending of email in C# do not depend of MVC or WCF technologies, you should use
SmtpClient
and
MailMessage
classes for sending emails.
You can find details about sending emails in C#, including source code example at the next
MSDN link.[
^]
2.The creation of a non replay email is not C#'s task, is your mailbox configuration; you can create a new email account like
noreply@YourDomain.com
then set your mailbox to ignore incoming messages for this email account.