Michael Peddemors via dovecot <[email protected]> wrote:
And yes, while disable_plaintext_auth = yes should be the go to, you want to stop accepting connections on 110/143 (993/995 should be used).
In some environments, you could take it even further by allowing access to the IMAP and SMTP submission ports only via a VPN such as WireGuard or Nebula.
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