I'm pretty sure on our old server w/ Plesk 9 it did turn off relaying via port 25 but just discovered on Plesk Onyx it doesn't. Maybe something got missed in the newer versions? Note: Using port 587 does allow you to run stricter antispam since tests like RBL checks, Spamdyke and such are only...
Update #23 with fix for similar issue did also fix this issue. It does still do one extra check with an extra Received-SPF line compared to before the problem started for the final recipient, but just two lines shouldn't trigger spam filters. Will update if we do still run into problems.
TITLE:
Multiple Received-SPF Headers Added To Emails Sent To A Group Email Address
PRODUCT, VERSION, OPERATING SYSTEM, ARCHITECTURE:
Plesk Onyx Version 17.5.3 Update #20
CentOS Linux 7.3.1611
PROBLEM DESCRIPTION:
After switching SPF checking mode from "Reject mail when SPF resolves to fail" to...
Having the same problem and would disagree since it's Plesk that is configuring MYSQL. On our old server (Plesk 9.5) we could connect as admin with Navicat but now that we are on a new server with Plesk Onyx we can't. Logging into the individual DBs with their respective credentials does work so...