Privileges Required to use Email Alert Gateways 
To use email alert gateways, you need either:
scheduler-administrator role
system, partition or isolation goup-level permissions
object-specific prvileges
You need the following privilege ranks to be able to create email alert gateways:
Create - allows you to create email alert gateways on the level the privilege was granted (system, partition, isolation-group), you have no further privileges through this rank, you automatically get privileges on email alert gateways you create.
Edit - allows you to create, view and edit all email alert gateways on the level the privilege was granted (system, partition, isolation-group)
All - full control over all email alert gateways on the level the privilege was granted (system, partition, isolation-group)
Edit - allows you to create, view and edit all email alert gateways on the level the privilege was granted (system, partition, isolation-group)
All - full control over all email alert gateways on the level the privilege was granted (system, partition, isolation-group)
Email alert gateways can reference the following objects, you need at least View privileges on these objects when you want to edit an email alert gateway that references them:
Application