> On Sep 7, 2019, at 12:11 PM, - Neustradamus - <neustrada...@hotmail.com>
> wrote:
>
> "When using the SASL SCRAM mechanism, the SCRAM-SHA-256-PLUS variant SHOULD
> be preferred over the SCRAM-SHA-256 variant, and SHA-256 variants [RFC7677]
> SHOULD be preferred over SHA-1 variants [RFC5802]".
Postfix does not implement any SASL mechanisms, SASL support
is provided by the SASL library (Cyrus SASL or Dovecot SASL).
If you want changes in mechanism selection, post to the relevant
SASL library forum.
--
Viktor.
