Email vaidate on using SQL Server 2012

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Hello,
I have a web page for login and i want to check if the email address that was typed by the client exist or not on the net. This i want to do using SQL Server 2012. Can i do this, and how?
Can help me somebody, please?

Thanks!

Posted 6-Aug-14 1:12am

pripon

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Magic Wonder 6-Aug-14 7:28am

Are you talking about Format check?

pripon 6-Aug-14 7:38am

No, I did the format check. I want to check if the email address exist on network or not. For example i want to check if dan@yahoo.com was created on yahoo, or not.

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Magic Wonder · Answer 1 · 2014-08-06T01:58:00

Hi,

Well from my point of view that check is not possible directly but same you can do other way round as below...

The only way to check if

1. the address is valid
2. the mailbox is working
3. the email was given by the owner

is to send a confirmation email with a link and a unique token. The recipient will then click on the link and confirm that the he got the email.

Summarized:

1. Generate a unique ID and store it along with the hashed supplied email address
2. Send an email to the address with a URL to your validation application
3. When the URL is clicked your application will check if the unique ID corresponds to what you generated and sent to the user

I hope this will help you.

Cheers