The email whitelist module allows you to specify email rules for users who don't need to be approved after registration.
This module is part of the Professional Edition.
Read moreThe email whitelist module allows you to specify email rules for users who don't need to be approved after registration.
You can define these rules at: Administration -> Users -> Settings -> Whitelist.
The email mapping feature allows you to specify email rules for users which will be automatically assigned to a specified group after registration.
You can define these rules at: Administration
-> Users
-> Groups
-> Select a group
-> E-Mail Mapping
.