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 Workflow Email Alert.
B. Usea MassEmailMessage() with an Apex Trigger.
C. Use a SingleEmailMessage() with an Apex Trigger.
D. Use an Email Alert with Process Builder.

View Answer

Answer: D