i currently use tuta. it has a free tier, offers encryption, is open source, gdpr-compliant, and is 100% powered by green energy.
i have used mailbox in the past, which is paid (cheapest tier is ~€12/yr). i can recommend it as well.
i currently use tuta. it has a free tier, offers encryption, is open source, gdpr-compliant, and is 100% powered by green energy.
i have used mailbox in the past, which is paid (cheapest tier is ~€12/yr). i can recommend it as well.