Yandex Mail vs Posteo

User accounts outside Russia have their data held on EU servers, compliant with GDPR.

There us no limit on the size of mailboxes.

You can host up to 1000 email addresses at your own domain free of charge, with unlimited aliases.

There us no limit on the size of mailboxes.

Posteo is ad-free with no ads when using their email services.

Posteo supports email clients such as Thunderbird and Claws Mail which will allow for greater control over encryption and user's private keys.

Registration through VPN is allowed and no personal information is required, just a username and password.

Posteo does very well on Dismail's server list and it supports end-to-end encryption with PGP. This can be done in the browser or with an email client, and Posteo has a help section on how to set up encryption.

You can select an option to encrypt inbound email from their server with a user-provided GPG key.

You can select an option to encrypt all of your emails stored on their servers.