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

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.

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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?

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.

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