Re:Gmail tracks the history of things you buy, and it’s hard...
by pm7 on Saturday May 18, 2019 @06:23AM
(#19946656)
Unlisted disadvantages are that they do not allow sending with "From" other than primary mail address (which limits usage of catch-all domains) and I had to contact them multiple times to get responses.
https://news.ycombinator.com/item?id=19946607