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Are email addresses case-sensitive? Here's what you need to know

Will MARKoNeIll@gmAIL.com get to its destination?
By
December 7, 2021
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The username part of an email address can sometimes have numbers and special characters. But what if someone gives you an email address with a combination of upper-case and lower-case letters? Will that email address work if you send it an email? Or does all of the email address need to be lower-case? In other words, are email addresses case-sensitive? This vitally important question in the internet world will now be answered.

Read more: What to do if your Gmail is not receiving emails

QUICK ANSWER

No, email addresses are not case-sensitive. Emails sent to CaPtAiNoBvIoUs@gmail.com will arrive the same as if you'd sent them to captainobvious@gmail.com. Gmail also makes no distinction if there's a full stop in the username. captainobvious and captain.obvious are one and the same email address in Gmail's eyes.

Are email addresses case-sensitive?

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No, email addresses are not case-sensitive, as stated above. But the more of a show-off you are, with multiple upper-case and lower-case letters, the more chance there is that someone will misspell the email address. Therefore, in order to avoid confusion and possible sending of your NSFW pictures to a complete stranger, it’s best to keep it simple. Stick to lower-case lettering at all times.

If you do give someone a weird version of your email address in both upper-case and lower-case lettering, your email will get delivered though. Email platforms these days are smart enough to figure it out.

Gmail also doesn’t care if you stick full stops in your username. When sending an email to you, Gmail will ignore the full stops, as if they’re not there.


Read more: How to create rules in Gmail to filter your emails