Mailum · 6.0/10

Privacy-focused Email Service with End-to-End Encryption.
Protect confidential emails and information with open-source, most complete encryption that ensures your data is safeguarded from start to finish.
At Mailum, we encrypt the entire email, body, subject, sender, recipient, and metadata, to ensure your messages remain completely secure and private. (Privacy score 6.0/10, KYC L1 Anonymous). https://mailum.com