Here's How I Mined My Mailbox to Find The Top Email Service Providers

Here’s How I Mined My Mailbox to Find The Top Email Service Providers

I was reviewing some stats for Mailintel and was curious about what email service top apps use; being particularly interested in transactional email services. Is there a way I can go through my mailbox, check product emails and check the service for each? Sounds like a fun experiment to give a shot.