#deltachat is being used in virtually all world regions where one or more other messengers fail to work. We recently released a major milestone (V2 security hardening releases) that prepared the ground for chat profiles to have multiple #chatmail relays at once ... failure or blocking of a single relay would not disrupt chatting anymore. But multi transport also helps with the "centralization problem in decentralized systems" ... https://delta.chat/en/2025-06-04-surge-donations#funding-for-a-globally-scaled-chatmail-relay-network
(Funding is looking good currently btw!)