Fix mx_mech evaluations; currently it will only look up the first MX record address and compare that against the list of valid IPs due to the old async pending checks being left in place which cannot be used when async/await is used as they will always evaluate to a truthy value.
Fix mx_mech evaluations; currently it will only look up the first MX record address and compare that against the list of valid IPs due to the old async pending checks being left in place which cannot be used when async/await is used as they will always evaluate to a truthy value.
Checklist: