Email SMTP validator

Question

I need to send hundreds of newsletters, but would like to check first if email exists on server. It\'s called SMTP validation, at least I think so, based on my research on I

Answer 1

You may need this Email Validator component for .NET

Here is the code example:

   // Create a new instance of the EmailValidator class.
   EmailValidator em = new EmailValidator();
   em.MessageLogging += em_MessageLogging;
   em.EmailValidated += em_EmailValidationCompleted;
   try
   {
       string[] list = new string[3] { "test1@testdomain.com", "test2@testdomain.com", "test3@testdomain.com" };
       em.ValidateEmails(list);
   }
   catch (EmailValidatorException exc2)
   {
       Console.WriteLine("EmailValidatorException: " + exc2.Message);
   }