I have multiple Email Ids, Lets discuss more about timestamp and email address ( Do you want specific from Gmail or any other)
"my e-mail can be any domain of your choice." - Will it be my email?
Lets discuss now, I can help you right away to make your experiment.
I have done similar kind of experiment/testing for fitness domain application, I will give ideas also to experiment with different or multiple Emailds( I will provide the same)