One issue with emails is that it's actually very difficult to self host email servers now as most of the bigger servers would automatically block unknown servers due to spam
Bitwarden for where convenience is important, which is the majority of my logins (forums, social media, memberships). In turn I also have self hosted Keepas for "key" logins (Bitwarden, online banking, Google).
Please note they also have a Mastodon account where they've made the same announcement:
https://mastodon.online/@jellyfin/110568058365759513
Let's support the Fediverse or FOSS alternatives when we can.