fun fact: mapy means “maps” in Czech. This software is created by seznam, Czech email provider and search engine (seznam.cz). Czechs default to this software (with seznam meaning “a list”). In the past I used to dislike it, but now, with me liking non US software, I find it as a great competitor to Google and other US based companies

firefox to icecat

I don’t think it’s available on ios unfortunately

I too use Migadu and had no issues so far. The client I use the most is ThunderBird, but it doesn’t matter which is used.

Although ThunderBird is not on iOS, got any recommendations for a FLOSS client on that platform?