something about Email in vb.net2010

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I would like to verify the mailbox whether you can send e-mail programs how to write?Only a textbox and a button on the form to verify that, if the authentication is successful returns can use this mailbox.This program will use the knowledge?

Posted 17-May-12 22:12pm

miwuawen

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Thank you ,I will try again.If I have a problem, then I hope you can help me.

Posted 18-May-12 16:49pm

miwuawen

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OriginalGriff · Accepted Answer · 2012-05-17T22:21:00

You can't verify an email address except by sending it an email, and seeing if you get a response. You can do some basic validity checks - does it have one-and-only-one '@', does it have at least one '.' in the domain, are the domain and local address part lengths ok, etc. - but you cannot confirm that it is a real email address except by trying it.