Are email addresses case sensitive?

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By nickgarry
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Is it a bad idea to create an email address with all capital letters? This article discusses the syntax of email addresses. Find out what to expect when creating an email address. mail with capital letters, special characters and international symbols.

The reasons for wanting a new email address can be personal or professional. Maybe you just want to create an extra account or maybe you're about to run the next trend newsletter.

You sit down at the keyboard and start playing with different capitalization combinations. You like what you see. The new address reflects your style. Nail your brand.

Suddenly you wonder: "Are email addresses case sensitive?

First, make sure you adhere to the standards for email addresses

Each email address must meet established standards. Otherwise, the mail servers will not recognize the text. The wrong syntax could leave you adrift in the digital world.

Fortunately, the email address standards are straightforward.

Username standards

The information before the @ symbol represents your username (also known as the local part of the email). This is your unique address. You can use up to 64 Latin characters and numbers from 0 to 9.

Domain standards

The information after the @ symbol represents your mail server. It tells the web where to send your email. You are allowed to use up to 255 Latin characters and numbers from 0 to 9.

So are emails case sensitive?


The short answer is simple no . You wouldn't want to type the body text of an email without the proper capitalization, but this error doesn't. 'would not prevent delivery of your messages.

Are emails case-sensitive in the address field? Again, the quick answer is no , but there are some unique exceptions. Consider these two separate email accounts with the same address but different combinations of uppercase and lowercase letters.

[email >

[protected by email]> In rare cases, an outdated server or program may not interpret capitalization correctly. Still, it's safe to say that the vast majority of today's mail servers can handle all capital letters in an email address.

That doesn't make it a good idea to use them. Take another look at the previous examples. Imagine trying to try the second direction around your morning coffee. It is not something you want to figure out at the end of a long day.

Can you use special characters in an email address?

When you choose the right source for your emails, you are practicing the art of digital typography. If applied correctly, it is a valuable tool for creating conversational emails, incidents and powerful newsletters.

Special characters have the same appeal, but you don't see them in many email addresses. The problem is not just readability. Different services impose different standards.

Most mail servers recognize special characters in this range.

! # $% & '* + - = ^ _ {} ~

However, Gmail does not allow characters in this set.

& = _ '- +,

Gmail also does not allow more than and less parentheses or more than one period. in a row.

Having a unique email address helps you stay on track, but it's probably best to resist the temptation to use special characters.

What about the use of international symbols in an email address?

International symbols are character sets that include languages ​​such as Russian, Chinese, and Greek. If you do business abroad or correspond regularly with friends in other countries, you are probably familiar with languages ​​that do not use the Latin alphabet.

The vast majority of email communications are based on Latin symbols and ASCII character encoding standards. This is the basic language and text syntax that enables communication between computers and other devices.

Unicode is a character encoding standard that bridges the gap between international and Latin symbols. Encryption allows you to send and receive email in languages ​​like German, Hindi, and Japanese. It is important to note that international email services use Unicode, but not all providers. Mail service providers Mail service providers support international symbols.

Sendinblue fully supports international symbols in email addresses. Customers can use symbols other than ASCII or non-Latin characters in the local part of their contacts' email addresses and still be able to send email campaigns to them.


You can even create a free Sendinblue account using an international email address?

How do different email services handle things?

Are email addresses case sensitive on all major servers? For example, are usernames case sensitive in addresses? Are they Gmail?

In general, the major Internet service providers (Gmail, Yahoo, Outlook, etc.) adopt a neutral attitude towards capital letters in their email username. You should agree to add capital letters before @ with these services. if this is something you really want to do (we don't recommend it though).

As mentioned above, it is very rare for capitalization in an email address to cause problems when sending or receiving messages.

What are the best practices for creating an email address?

The objective is not complicated. you want to compose an email address that is recognized by ISPs and their recipients.

These four tips can help you:

  • Avoid capital letters: this eliminates the risk of server confusion and makes the address easier to read.

  • Use Dots sparingly: They can make an email address more readable, but some email providers limit their use.

  • Keep it simple: save special characters, smart spelling of names, word games and word games for social media posts.

  • Don't change the others: don't try to change an email address that works and doesn't follow best practices.

Summary

The next time someone asks you "Are emails case sensitive in Gmail?", You have the answer. When your friends wonder about the use of special characters in email addresses, you can give them some great advice. Understand the syntax of email addresses.


Create your new username according to service standards. Check the domain name requirements of your mail server. Glance. Make sure you are satisfied with the results.

Are you planning to use this new address to send marketing emails? If so, the next thing that needs your attention is the sender's name sender's name . It differs from the sender's address and contains 20 to 30 characters.

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