I would then suggest riseup, but you need a invitation for that.
Don't they actively monitor your behaviour in case you say something against communism? There was another one like that too that monitored your behaviour - I think it was some autism rights activism one.
Setting up your own mail server is still the best shot, or going with whatever is included with a (preferably reputable) web hosting package - so that your server's IP doesn't get blacklisted by the major companies. However Outlook in particular is
really fond of rejecting emails from servers that aren't 'trusted' by Microsoft, at least going by the large number of complaints I hear from those running private mail servers (from both residential ISPs and from web hosting platforms).
Also, not many of them even provide POP3/IMAP support anymore without paying, which is bullshit - if I want to use email, I'll use a mail client, thank you very much.
All the major (and even the minor) free ones have gone to shit, and for the record, ProtonMail is garbage:
http://digdeeper.club/articles/email.xhtml
Also this place still alive? Did ownership change or anything major I should know? It was down last time I tried. Just testing the new Proton Pass so I'm going through all my accounts and surprised this place is back.
Ownership is the same.