@ -72,8 +72,12 @@ mail in following format: ``[HOST]:PORT``.
``RELAYUSER`` and ``RELAYPASSWORD`` can be used when authentication is needed.
``RELAYUSER`` and ``RELAYPASSWORD`` can be used when authentication is needed.
By default postfix uses "opportunistic TLS" for outbound mail. This can be changed
By default postfix uses "opportunistic TLS" for outbound mail. This can be changed
by setting ``OUTBOUND_TLS_LEVEL`` to ``encrypt`` or ``secure``. This setting is highly recommended
by setting ``OUTBOUND_TLS_LEVEL`` to ``encrypt`` or ``secure``. This setting is
if you are using a relayhost that supports TLS but discouraged otherwise. ``DEFER_ON_TLS_ERROR`` (default: True) controls whether incomplete policies (DANE without DNSSEC or "testing" MTA-STS policies) will be taken into account and whether emails will be defered if the additional checks enforced by those policies fail.
highly recommended if you are using a relayhost that supports TLS but discouraged