Do all emails have a . in them? like sample@sample.com or are there any emails that ever follow this format? sample@sample Please provide proof of your answer.
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Related: http://stackoverflow.com/q/201323/827263 – Keith Thompson Jun 11 '15 at 17:59
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Did you Google "email without dot"? Because the first link (for me) is to a stackoverflow thread on how an email address without a dot in the domain is valid. – TessellatingHeckler Jun 11 '15 at 19:31
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No, There is no restriction on having a dot in the email (as long as we are considering the syntax).
Thats why even HTML5 validation of email allows emails like hello@world.
Since domain part can also be an IP address, emails like batman@[192.168.1.1] or ironman@localhost are also valid.
See Proof
karthik manchala
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