An email alias is an email that shares a mailbox with a completely different email address. For instance, you could have info@domain.com and support@domain.com and emails sent to either one of them will be received in one and the same mailbox. This option will make it a lot easier and more convenient to control many email addresses since you will need to log in to one single mailbox if you use webmail or create one e-mail address in an e-mail client on your desktop. If you set up an alias, you will not only be able to get messages, but you will also be able to send emails from the different addresses and they will share the Outbox, so you will have all communication in one location. Using aliases can be an alternative to making use of different email addresses for different purposes or forwarding a single address to another one in order to manage the communication of both in a single location.