On 14/5/23 23:29, Daniel Miller via dovecot wrote:
I only allow explicit service traffic through. IMAPS, SMTPS, etc. If
doveadm is communicating via the IMAP(S) ports then all I can do via
firewall is block countries. Which of course I can but I'm asking
about any additional hardening for Dovecot itself.
You can set up a doveadm service that requires client certificates
service doveadm {
inet_listener {
port = 12345
}
ssl = yes
ssl_cert = </etc/dovecot/dovecot.pem
ssl_key = </etc/dovecot/private/dovecot.pem
ssl_verify_client_cert = yes
auth_ssl_require_client_cert = yes
}
Jeremy_______________________________________________
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