[falko]

Originally Posted by mavgh1

Step 2

useradd -d /home/sample_user -g users sample_user
passwd sample_user

I dont understand i make a user with the home directory /home/sample_user and group sample_user and the password sample user

Please detail for me like for dummies

You must replace the username, password and home directory appropriately.

Originally Posted by mavgh1

Step 5

Inserted in file /etc/postfix/virtusertable

user1@mydomain.ro sample_user
user2@mydomain.ro sample_user
user3@mydomain.ro sample_user

Again, replace sample_user appropriately.

And don't forget to run

postmap /etc/postfix/virtusertable
/etc/init.d/postfix restart

at the end.