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Verify Email Address - who emailed you, are they real?

Notes from ClifNotes, Jan 2008, permalink E-mail Security and Encryption


Some spam and phishing emails are just believable enough to make you curious to see if there's some truth to them. Just in case your curiousity needs satified, you can see if the person who sent these is using a real email address.


click to expand picture

Quote from the website

This email verification tool actually connects to the mail server and checks whether the mailbox exists or not.


What is being verified:

Format: "name@domain.xxx"

Valid domain: "somebody@new.york" is not valid

Valid user: Verify that the user and mailbox really exist