This particular error is for smtp outgoing mail queue on White (MailStore, POP, Outgoing SMTP) and the log is also from the Mailstore
45BEF4339399 4163 Wed Nov 30 13:15:50 firstname.lastname@example.org
(delivery temporarily suspended: connect to 127.0.0.1[127.0.0.1]: Connection refused)
There should be NO filtering of any type on White (Mailstore). Which we have "disabled" yet something keeps invoking it and starting it up. Basically what Tron has been posting about.