Issue Many false positive for FROM_FMBLA_NEWDOM SpamAssassin flag

[uniauto]

Server operating system version

Debian 10.13

Plesk version and microupdate number

18.0.60 #1

Hi.

Since last Saturday I'm having many false positives with spam flag FROM_FMBLA_NEWDOM in emails that use 3rd servers like google, amazonses...
Flagged emails look fine and many are known senders.
Anyone notices too? What could go wrong?