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Are Email Addresses Case Sensitive?

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19 Jan 2021

Are Email Addresses Case Sensitive?

While writing email addresses, we have all typed in the address with caps on at least once. Well does that really matter? Are email addresses really case sensitive? Will my emails not reach the desired inboxes if I capitalize users’ email address? These are some common question that haunt every newbie, but let’s put an end to it. In this article, find out whether email addresses are case sensitive.

What Are The Email Address Writing Standards?

Email addresses have to follow a fixed standard otherwise they might not be recognized by the email server and end up getting lost somewhere in the digital world. The good news is that the email standard is pretty straightforward. Here are two segments of it.

Username Standard

Username is the information that appears before the @ sign in an email address. It is unique and can have up to 64 Latin characters and numbers from 0 to 9.

Domain Standard

The domain is the information present after the @ sign in your email address. It tells the internet, where to send your email. The domain name can have as many as 255 Latin characters and numbers from 0 to 9.

If any email address fails to follow these standards, it will not be considered legitimate – hence, cannot be used.

Are Email Addresses Case Sensitive?

The answer is NO. Email addresses are not case sensitive. Consider the following two email addresses:

abcaddress@domain.com

abCadDreSS@domain.com

Both these email addresses are the same and point to the same user. The email providers recognize these as the same. Despite that, writing an email address in uppercase might not look really pleasing to anyone.

Can We Use Special Characters In An Email Address?

The use of special characters in an email address is rare, but not non-existent. Some email servers recognize special characters,like ! # $ % & ‘ * + – = ^ _ {} ~

One of the most commonly used email service providers, Gmail, does not recognize or allow the following special characters:

& = _ ‘ – + ,

Gmail also does not allow greater than or less than a sign or more than one period in a row.

Using special characters in your email address might not be a good idea, as it does not look very professional.

Can We Use International Symbols In Email Addresses?

International symbols are special characters that are a part of different languages like Russian, Chinese, etc. if you communicate overseas regularly, you must have come across such symbols and letters.

Most of the email communication is based on Latin characters and ASCII encoding standards. Unicode is a character encoding technique that contains international symbols along with Latin characters. This encoding makes it possible to send and receive emails in other languages like Russian, Japanese, etc.

International email services use Unicode, but not all email service providers support Unicode.

You can use software like CBT Mass Email Sender to help you in sending bulk emails as well as emails in different languages. Along with that, you will also get a lot of cool features that can be used to run a successful email marketing campaign.

How Do Different Email Services Handle Things?

Although different email services might have a slightly different way of handling things, most of the big email providers like Gmail, Yahoo, Outlook are fine with you adding capital letters in your email address username. It won’t cause much of a problem, but it is not really recommended that you use capital letters in your email username.

What Are The Best Practices For Creating An Email Address?

The main goal of setting up an email address is to be recognized easily by your customers or audience. These four tips can be helpful for setting up a good email address:

Avoid Uppercase Letters

Using uppercase letters might make your email address look a bit unpleasant and hard to read. This might also cause some problems if the email server is outdated.

Use Periods Sparingly

Periods make an email address more readable but some email providers might limit their use.

Simpler Is Better

Do not use special characters, silly usernames, and extra international symbols. Keep your email address simple and straightforward.

Do Not Change Others

Don’t change an email address that is working. Following these recommended practices is good but if an email address is working well, there is no need to change it.

What Not To Do In An Email Address?

If you want your email address to be effective and attractive, you should make sure that it looks professional. These are some of the don’ts of email addresses:

Do Not Make It Too Long

Email addresses should be short and precise. Do not make it too long as that will not only look unprofessional, it will also be pretty difficult to remember.

Do Not Use An Absurd Username

Use an email username that makes sense and can be used to identify you or your designation easily.

A good example might be:

alexdudley@domain.com

Similarly, business email addresses should represent the business properly and should not contain personal names or absurd words.

Do Not Include Personal Information

Your email address is public so using personal information as your email address username is not really a good choice.

Wrapping Up

So now you know that you can use upper-case letters in your email addresses as well as special characters. Remember that this is not really advisable and might make your email address seem unprofessional and hard to read or remember.

Follow the tips given above to design an email address that reflects your personality or business and is easy to remember.

Craft your username according to your requirements and keep an eye on the domain that you will be using and what are the restrictions and requirements of that particular domain.

Once you have followed all these steps, you are good to go.

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