Email hosting service

An email hosting service is an Internet hosting service that operates email servers.

Email hosting services usually offer premium email as opposed to advertisement-supported free email or free webmail. Email hosting services thus differ from typical end-user email providers such as webmail sites. They cater mostly to demanding email users and small and medium-sized (SME) businesses, while larger enterprises usually run their own email hosting services on their own equipment using software such as Microsoft Exchange Server, IceWarp or Postfix. Hosting providers can manage a user's own domain name, including any email authentication scheme that the domain owner wishes to enforce in order to convey the meaning that using a specific domain name identifies and qualifies email senders.

There are various types of email hosting services. These vary according to the storage space available, location of the mail boxes and functionality.

Various hosting providers offer this service through two models. A traditional email hosting or per mailbox hosting. Traditional email hosting charges a set amount for a certain number of mail boxes whereas the per mail box model charges per mail box needed.

These include:

Free Email Services using a public domain such as Gmail; Yahoo. These are more suitable for individual and personal use.

Shared Hosting Email Services are a large of mailboxes that are hosted on a server. People on a shared hosting email service share IP addresses as they are hosted on the same server.

Cloud Email Services are suitable for small companies and SME's. These mailboxes are hosted externally utilizing a cloud service provider. Examples of these are Gsuite by Gmail and Microsoft Exchange Emails by Microsoft.

Enterprise Email Solutions are suitable for SME's and large corporations that host a number of mailboxes. In some cases these are located on a dedicated servers on the premises however they can be located on a cloud based server that can scale horizontally. 

Most email hosting providers offer advanced premium email solutions hosted on dedicated custom email platforms. The technology and offerings of different email hosting providers can, therefore, vary with different needs. The email offered by most web hosting companies is usually more basic standardized POP3-based email and webmail based on open source webmail applications like Horde, RoundCube or SquirrelMail. Almost all web hosting providers offer standard email hosting.

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