this post was submitted on 20 Aug 2024
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[–] aodhsishaj@lemmy.world 1 points 3 months ago* (last edited 3 months ago)

We implemented this at work using Hashicorp Vault for PKIs and a dovecote smtp server to pass IMAP from whatever client our endusers were using. The only problem was clients using the O365 webportal in unsupported or outdated browsers, but we took care of that with SCCM.

https://developer.hashicorp.com/vault/tutorials/secrets-management/pki-engine

https://doc.dovecot.org/configuration_manual/mail_crypt_plugin/

https://doc.dovecot.org/configuration_manual/forwarding_parameters/