An email address identifies an email box to which email messages are delivered. A wide variety of formats were used in early email systems, but only a single format is used today, following the specifications[a] developed for Internet mail systems since the 1980s. This article uses the term email address to refer to the addr-spec defined in RFC 5322, not to the address that is commonly used; the difference is that an address may contain a display name, a comment, or both.
Note that some mail servers wildcard local parts, typically the characters following a plus and less often the characters following a minus, so [email protected] and [email protected] might end up in the same inbox as [email protected] or even as [email protected] This can be useful for tagging emails for sorting, see below, and for spam control.[10] Braces { and } are also used in that fashion, although less often.[citation needed]
An email address such as [email protected] is made up of a local-part, an @ symbol, then a case-insensitive domain. Although the standard requires[1] the local part to be case-sensitive, it also urges that receiving hosts deliver messages in a case-independent fashion,[2] e.g., that the mail system at example.com treat John.Smith as equivalent to john.smith; some mail systems even treat them as equivalent to johnsmith.[3] Mail systems often limit their users' choice of name to a subset of the technically valid characters, and in some cases also limit which addresses it is possible to send mail to.

When you need help, you can expect the best from us. For five years in a row, GoDaddy has won a Stevie Award for Customer Service. The international awards competition is based on Customer Net Promoter Scores (NPS), which consistently rank our customer care among the best on earth. In addition to phone support, we also offer an exhaustive collection of help articles on every conceivable topic.


For email, security starts with spam, otherwise known as unsolicited email. This is often the bane of not only those who live in their email inboxes,but also of the IT administrators who manage email services. The good news is that spam filters are getting better every day and email providers tend to deploy the very latest and greatest for their customers. The bad news is that these filters still aren't perfect, which means they can catch a lot of "good" email but often vary significantly in effectiveness. Today's spam filters are based largely on machine learning (ML) as the primary method of determining what's bound for the trash bin. Given that ML gets more effective over time, it is no surprise that the services that have been around the longest tend to have better spam detection.


Email hosting is a specialist internet hosting service which operates email servers. Hosting your email with one.com means you can benefit from premium services such as an ad-free interface, email on your own domain, spam and virus protection as well as black and white lists. Your email, calendar and contacts are also accessible via webmail in any browser, so your work can travel with you.
When you build a website, you want visitors to come and see what you've done. To get them there, you need a unique domain name that connects to your sites servers. Domain name registration is required to ensure that no one else in the world can claim ownership of your web site's address and to make finding your website simple. Find your one of a kind domain name.

The general format of an email address is [email protected], and a specific example is [email protected] An address consists of two parts. The part before the @ symbol (local part) identifies the name of a mailbox. This is often the username of the recipient, e.g., jsmith. The part after the @ symbol (domain) is a domain name that represents the administrative realm for the mail box, e.g., a company's domain name, example.com.
In practice, the form validation of some web sites may reject special characters such as "+" in an email address – treating them, incorrectly, as invalid characters. This can lead to an incorrect user receiving an e-mail if the "+" is silently stripped by a website without any warning or error messages. For example, an email intended for the user-entered email address [email protected] could be incorrectly sent to [email protected] In other cases a poor user experience can occur if some parts of a site, such as a user registration page, allow the "+" character whilst other parts, such as a page for unsubscribing from a site's mailing list, do not.
Things are probably more complicated than that, though. As a recent survey conducted by market research firm Statista clearly shows, email is one of the most popular apps for mobile devices across most organizations and even consumers. Given how many workflows, business processes, and just plain important communications take place over email, this is one area where you likely shouldn't skimp.
One great way to protect data is by using email encryption. This feature can do wonders for protecting your organization's privacy and that of your employees, but it demands some investigation when you're selecting your provider. Is it built-in or do you require a third-party tool? Does it use common standards that the recipient can process? What about Secure Sockets Layer (SSL) certificates? Are they included or do they need to be purchased separately? The best-in-class tools will not only make encryption easy for anybody to configure and use, buy they'll also make it easy for you to understand pre-purchase.
You can take it one step further and add the original email address (the domain one) as a “Send mail as” address under Mail Settings > Accounts and Import. This means that when you reply to an email you received at that address then it goes back from that address. This means that people feel more secure too, as it’s always odd to send an email and have it replied to from a different address – and sometimes somewhat suspicious.

For email, security starts with spam, otherwise known as unsolicited email. This is often the bane of not only those who live in their email inboxes,but also of the IT administrators who manage email services. The good news is that spam filters are getting better every day and email providers tend to deploy the very latest and greatest for their customers. The bad news is that these filters still aren't perfect, which means they can catch a lot of "good" email but often vary significantly in effectiveness. Today's spam filters are based largely on machine learning (ML) as the primary method of determining what's bound for the trash bin. Given that ML gets more effective over time, it is no surprise that the services that have been around the longest tend to have better spam detection.
If you want to be safe, go with something like [email protected], [email protected], [email protected], or [email protected] Sure, there will always be exceptions to the rule (if two people have the exact same name, maybe you can force them into a Hunger Games-type situation), but doing what you can to avoid future duplication will make your life much easier later.
For any business user or organization today, the decision to use email is a no-brainer. Business simply can't be done in many cases without it. But that doesn't mean you can interchange email platforms or service providers at will. Digging into the capabilities of these services reveals a great deal of additional feature scaffolding that surrounds almost every email implementation by necessity.
Your next major concern will be compatibility. It's not a shock that most businesses run on Microsoft Windows and use some form of Microsoft Office. Being able to use common third-party clients such as Microsoft Outlook can often be a concern, and even today, compatibility with Microsoft Outlook isn't necessarily guaranteed. This is especially true when sending and receiving meeting invites. It only takes one garbled meeting invite to realize how frustrating this can be in the real world. Even if using Microsoft Outlook isn't a concern, portability is. If the service is entirely web-based, then is there a means for me to take my email offline and send email when I connect?
×