Under the postfix system aliases can be created so that an email addressed to a particular address can be delivered to another address. This is handy for email addresses which are often misspelled, or an alias can be used to redirect a generic email address to specific user. For example support@ can be redirected to bob@.

The process for adding aliases is as follows:

The postfix configuration file main.cf which is usually located in /etc/postfix identifies the files being used for aliases. You’re looking for the alias_database and alias_maps directives. Alternatively you can execute postconf which will identify the values in use.

In a default Ubuntu  install you are using /etc/aliases

As root perform the following: Read more about People cannot spell my name. How to add Postfix aliases. …