Mailing list don't work with assigned domain IPs

Subject: Mailing list don't work with assigned domain IPs

Affected version: 11.4.4.

Resolution scheduled for: 11.4.6

Description: Mailing list don't work with assigned domain IPs, when the option "Relay local messages" is checked on mailing list options.

How to reproduce it:

Make sure a Domain IP is set under the domain.

Create a new mailing list and leave at defaults.

Add a local user as a member of the list.

Send a test message to the list and it works.

Go to the Mailing List tab of the list and set a local owner.

Send a test message to the list and it does not work.

Logs show it cannot connect to 127.0.0.1

Temporary solution: n/a

Jira Link: https://jira.icewarp.com:8443/browse/SV-10168