PGP + Email signing in Poste.io Pro

[Former user]

Is it possible to add the functionality in Poste.io PRO to encrypt and sign emails via PGP?

Connections to the mailserver are always TLS encrypted and we use strong passwords for each account. It would be very stress-free if we could simply upload our private/public keys per domain through the web-ui and let all our outgoing mails automatically be signed and encrypted by Poste.io, regardless of the mail clients we use.

This would be a huge improvement! There is a plugin for nodemailer but unfortunately I couldn’t find anything similar for Haraka :/

[Foddy]

I don't personally think that PGP encryption, managed by poste.io is practicable. You must consider that many people still need special addons for their mail clients and you have to share your public key with your recipients…

So I think it makes more sense when you selectively encrypt your mails directly via your mail client and only for specific mails..

But I would also love a mail signing feature directly in poste.io (PRO) with the ability to attach signed certificates to specific mail addresses and let poste.io do the signing job for outgoing mails.

(please correct me someone if this would be a huge security weak point)