List of services offering encrypting/signing an e-mail before sending it to you and/or encrypted e-mail support.

• filen.io - Yes/PGP

• bitfinex.com - Yes/PGP
• coinpayments.net - Signing only/PGP
• flyp.me - Yes/PGP
• gatehub.com - Yes/PGP
• kraken.com - Sign/PGP and Encrypt/PGP
• majesticbank.sc - Yes/PGP
• xchange.me - Signing only/PGP

• sourcehut.org - Only them to you/PGP

• njal.la - Yes/PGP

• proton.me - Yes/PGP

• bus-hit.me - Yes/PGP
• nixnet.services - Yes/PGP
• r4fo.com - Yes/PGP
• tux.pizza - Yes/PGP

• 🇨🇿 Czech National Cyber Security Center - Yes/PGP
• 🇩🇪 Computer Emergency Response Team for Germany's federal authorities - Yes/PGP
• 🇳🇱 Dutch National Cyber Security Center - Yes/PGP

• njal.la - Yes/PGP

• adyen.com - Yes/PGP

• apple.com - Signing only/PGP

• buskill.in - Yes/PGP

• facebook.com - Only them to you/PGP (deprecated on Dec 5, 2023)

• airvpn.org - Yes/PGP
• azirevpn.com - Yes/PGP
• ivpn.net - Yes/PGP
• mullvad.net - Yes/PGP
• ovpn.com - Yes/PGP

Categories were inspired by https://github.com/2factorauth/twofactorauth

Open an issue if you'd like to see some service added or if you found any errors in the ones listed.