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I use Postfix, I'll have to check how it makes outgoing connections but I'd assume it's unencrypted. My client connection to my server is encrypted but never th
by workitout 11y ago
I use Postfix, I'll have to check how it makes outgoing connections but I'd assume it's unencrypted. My client connection to my server is encrypted but never thought to use it for the connections to the servers my server delivers mail to.
- baudehlo 11y agoYou have to install a certificate if you want it to be encrypted.
- Wicher 11y ago#opportunistic encryption s2s smtp_tls_security_level = may smtp_tls_CApath = /etc/ssl/certs This will use STARTTLS to upgrade the connection. This does not protect you against an active attacker, but it will protect you against passive eavesdropping (~mass surveillance).
- workitout 11y agoThanks Wicher and baudehlo, great tips.