Not looking for a server as I use fastmail currently but a client would be nice. I am currently using spark on iOS and Mac OS and just fastmail website on my Linux desktop. I’m realizing spark is nothing special and would rather not renew my subscription.
I didn’t know they stored local copies — had a very, VERY quick skim through their privacy policy on their website and couldn’t see any reference to that (sure it’s there but I didn’t see it).
I’m not a Spark user btw, was just following the conversation. I use plain ol’ Apple Mail.