Notification Mailer (and service components) keeps crashing.

Question

Hi All,
Am running EBS 12.0.4 on two nodes , on HP-UX Itanium.
Starting last week, the notification mailer and service components keeps constantly crashing forcing
me to restart it each and everyday.The log files dont show nothing much:-
Feb 4, 2010 10:53:03 AM MST]:1265305983658:-1:-1:erpapps.zantel.com:10.1.0.163:-1:-1:1:20420:SYSADMIN(0):-1:Thread[outboundThreadGroup1,5,outboundThreadGroup]:10.1.0.163:70463:1265305983227:12:ERROR:[SVC-GSM-WFMLRSVC-139043-10006 : oracle.apps.fnd.wf.mailer.SMTPMessageHandler.sendMessages(String)]:SendFailedException -> [[a]] javax.mail.SendFailedException: Invalid Addresses;
nested exception is:
     class javax.mail.SendFailedException: 550 5.1.1 <a>... User unknown
[GC 8798K->5715K(11420K), 0.0028708 secs]
[GC 8915K->5942K(11420K), 0.0040109 secs]
[GC 9142K->5962K(11420K), 0.0022271 secs]
Kindly assist me.
Thanks, Rajab.

Answer 1

>
... javax.mail.SendFailedException: 550 5.1.1 ... User unknown
>
Seems to be an invalid email address in the system somewhere (possibly "5.1.1") ?
Pl also see related MOS Doc 430751.1 - In Alert Manager, Why are Emails with Apostrophes Being Truncated ?
HTH
Srini