workflow notification mailer not working, user preference email style set back to disabled
1937312-10006 : oracle.apps.fnd.wf.mailer.SMTPOutboundProcessor.messageNotDelivered(TransportEvent)]:Email to [] was not accepted for delivery.
[Jan 20, 2021 4:41:24 PM IST]:1611141084125:-1:-1:testr12.texmaco.in:192.168.0.212:-1:-1:1:20420:SYSADMIN(0):-1:Thread[outboundThreadGroup1,5,outboundThreadGroup]:192.168.0.212:87726:1611140818803:12:ERROR:[SVC-GSM-WFMLRSVC-1937312-10006 : oracle.apps.fnd.wf.mailer.SMTPOutboundProcessor.send(Message)]:Exception occurred while sending message -> javax.mail.SendFailedException: Invalid Addresses;
nested exception is:
class javax.mail.SendFailedException: 554 5.7.1 <indrajit.mookerjee@texmaco.in>: Relay access denied
[Jan 20, 2021 4:41:24 PM IST]:1611141084126:-1:-1:testr12.texmaco.in:192.168.0.212:-1:-1:1:20420:SYSADMIN(0):-