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 con

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 https://news.ycombinator.com/item?id=19946607