Each email alias you create simply forwards any message on to any email address that you specify. Most email service providers do not limit number of aliases one can have, but restricted to certain number of email address you can forward to.

It is handy for generic email such as sales@domain.com to forward to another email address. Thus, save you the cost of subscribing additional POP3 account. The only restriction is, you can’t send out email through Email Alias. But, you can override this if you are on Gmail, using the Gmail’s Identity features.

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