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c#emailsmtpemail-verification

Verifying an email address exist in C#

Regarding this post about email verification,

using C#, how would you

  1. issue a VRFY command
  2. issue a RCPT command
Solution

  • IMO, RCPT method is the best one, and I still use it everyday.

    Here are the necessary code : http://mailsystem.codeplex.com/SourceControl/changeset/view/51422#541825

    The class is quite heavy, you will have to pick the code snippet you need from the source code.