If you remember when you create your 1st email-id than there is big confusion in our mind is our email id is in “Caps” or “Lower” now today publish detail about email ID case sensitive or not with full example.
Every email address has three parts.
- What comes before the ‘@’ (the so-called “local mailbox part”)
- The ‘@’ itself
- What follows the ‘@’ (the domain name).
The answer to the question whether email addresses are case sensitive or not?—whether it matters if you type WhereToSend@ExamPle.com or WHERETOSEND@EXAMPLE.COM or firstname.lastname@example.org—has to do with these elements of an email address.
The domain name part of an email address is case insensitive (i.e. case does not matter).
The local mailbox part, however, is case sensitive. The email address WhereToSend@ExamPle.com is indeed different from email@example.com (but it the same as WhereToSend@ExamPle.com).
Final summary: Email mailbox name itself is case sensitive. Email addresses are not affected by any typing case okay.
Case Typically Does Not Affect
Since the case sensitivity of email addresses can create a lot of confusion, interoperability problems, and widespread headaches, it would be foolish to require email addresses to be typed with the correct case. Hardly any email service or ISP does enforce case sensitive email addresses, returning messages whose recipient’s email address was not typed correctly (in all upper case, for example).
This means that ( We can understand through best example):
- It does not typically matter what case you type an email address in when you send a message
- If the recipient did give you an email address with distinct case, preserve it, however.
- And you should always only use lower case characters when creating a new email address to rule out any confusion.
How Help Prevent Email Address Case Confusion
If you send an email with the recipient’s address spelled in the wrong case, it might return to you with a delivery failure all right. In that case, try to find how the recipient wrote their address and try a different spelling okey.
To minimize the risk of delivery failures due to case differences in your email mailbox name and to make the job easy for email system administrators, use only lower case characters when you create a new email address.
If you create a brand new fresh Gmail address, for example, make it something like “Krishna.firstname.lastname@example.org” and not “Krishna.Mishra1988@gmail.com”.
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