C# - Identify If An Email Address Is 'public'?

Nov 10, 2010

I would like to identify if an email address comes from a public provider or is from an established business. I consider public email addresses to be things such as:

Open email service providers, such as gmail, hotmail and yahoo. Anonymization services, such as mailinator or dispostable.

I'm aware that there is no foolproof way to do this, and obviously any list based solution would require constant updates.

Is there a public listing or .NET library that can do this for me?

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