However, not all providers have a recent review, and his priorities are skewed heavily to the "paranoid" side of the tech world. For example, he considers being able to mail cash to a provider a significant pro. The overwhelming majority of users aren't mailing cash to pay for their email.
can use any email provider other than G, just make sure you isolate email.
For example, use personal stuff for mail 1, use work related to mail 2 and anything else to mail 3 or so.