I have a program in SAP which can push emails to SOST as pending list. Also scheduled a job name SAP CONNECT INT, which will run in a interval of 10 mins and flush all the pending mails to the recipients. It was working fine till 2 days back. But now I found it is not able to send mail with a error that Invalid recipient address. where as manual mail from SOST to the same recipient is successful. Plz help me out in this regard.