SMTP domain '{1}' is set as a non-authoritative address space in recipient policy '{3}', but the '{5}' property in the metabase ...

SMTP domain '{1}' is set as a non-authoritative address space in recipient policy '{3}', but the '{5}' property in the metabase for SMTP instance '{4}' on server {2} indicates that this is a local domain. Exchange may not be able to forward messages to an external SMTP server when the recipient cannot be resolved. Current '{5}' value: {8}