What is the optimal way to accomplish this?

A developer is asked to build a solution that will automatically send an email to the Customer when an Opportunity stage changes. The solution must scale to allow for 10,000 emails per day. The criteria to send the email should be evaluated after all Workflow Rules have fired.

What is the optimal way to accomplish this?
A . Use a MassEmailMessage() with an Apex Trigger.
B . Use a Workflow Email Alert.
C . Use an Email Alert with Process Builder.
D . Use a SingleEmailMessage() with an Apex Trigger.

View Answer

Answer: C