I'd like to have several email addresses redirected to a single one (same domain). For example:

first@domain.com
        |________________________third@domain.com
        |
second@domain.com

First, second and third are NOT system users. I have done these kind of aliases before but I... I... I'm not that smart.

Help will be greatly appreciated.

How it's done will depend on the mail software you're using. For example, if you're using Postfix, and third@domain.com is a system user account (username: third), then you'd put something like this in /etc/postfix/virtual:

domain.com   domain.com
first@domain.com   third@domain.com
second@domain.com   third@domain.com
third@domain.com   third

And then run the command:

[root@server] postmap virtual

To rebuild the lookup table db (virtual.db).

_________________
sleddog

In deed, I am using Postfix/Dovecot/MYSQL. I do not have "third" as a system user, so I skipped the last line of your instructions with no results.

Do I need to have "first" and "second" on the database? "third" too?

Thank you in advance!