In my Google Apps account I have only one user:
firstname.lastname@example.org. How can I configure Google Apps to forward emails for
I would not recommend either of the ways listed by Ankur Mhatre. Creating another account is an admin headache (not to mention the cost) and the catch-all is not recommended by Google because it can lead to increased incidents of spam.
Instead you should either create a nickname for admin@ :
Or create a group with admin@ as a member:
Generally, if the mail sent to info@ only ever needs to go to admin@ use a nickname. If you have multiple users who need to receive mail from info@ use the groups.
There are two ways
Create an account for email@example.com and then forward all emails to firstname.lastname@example.org from settings of email@example.com
Make firstname.lastname@example.org as default address through your admin panel
You can refer this for creating default address (catch-all address) https://support.google.com/a/answer/33962?hl=en
Here's another method, which also allows to forward to any email inside and outside of the organization, without creating an account:
The dialog is very simple, don't think it warrants a step-by-step.