receiver mail adapter error -mail not going to other domain users
in xi this error is coming in mail adapter -
Message processing failed. Cause: com.sap.aii.af.ra.ms.api.RecoverableException: java.io.IOException: server not responding OK to MAIL FROM; Domain of sender address XXXat d rate of XX.XX.com does not resolve
any resolution.upto yday everything was working fine.i crosschecked scot settings they r ok.