If you’ve ever wondered which security protocols your email-provider supports, there is an easy way that I found via Mastodon:
The European Commision provides My Email Communications Security Assessment (MECSA) (https://mecsa.jrc.ec.europa.eu/) with which you can quickly check, which of the protocols your provider supports (StartTLS, x509 Ceerts, SPF, DKIM, DMARC, DANE, DNSSEC).
Continue reading How to check the Email Security Level of your Provider