Unable to Send email

Unable to Send email

We are unable to send email through ServiceDesk 8.0.  We have been using this feature successfully for 3 years and it stopped working a couple of hours ago.  I have rebooted the server.  Verified that the service account is not locked out and restarted fetching several times.  The error in the log is listed below.  Does anyone have any ideas?
 
Thank you for your help,
 
Leslie
 
16:58:50:412]|[01-27-2012]|[com.adventnet.servicedesk.utils.ServiceDeskUtil]|[SEVERE]|[47]|: Error code : 18013|
[16:58:50:412]|[01-27-2012]|[com.adventnet.servicedesk.utils.ServiceDeskUtil]|[SEVERE]|[47]|: Error row : <AdventNetErrorCode ERRORCODE="18013" ERRORSTRING="ER_MAIL_SENDING_FAILED" ERRORMESSAGE="Mail sending failed." />|
[16:58:50:412]|[01-27-2012]|[com.adventnet.servicedesk.utils.ServiceDeskUtil]|[SEVERE]|[47]|: FAILURE :Problem while sending E-mail. : Mail sending failed.<br><br> Please report the problem to the system administrator, with the Error Code - 1,327,701,530,334.|
[16:58:50:412]|[01-27-2012]|[com.adventnet.sqlone.search.dbcrawler.ejb.internal.DatabaseCrawler]|[INFO]|[47]|: Connection obtained for crawling the database <AppIndexingInfo CRID="134" APPLICATIONID="1" APPLICATIONNAME="ServiceDesk" APPDSNAME="default" MAXWORDSIZE="200" INDEXINGDELIMITERS=",:@-. (){}" ENABLEPARTIALSEARCH="true" ENABLEDYNAMICINDEXING="true" ENABLEINCREMENTALINDEXING="false" POPULATE_FK_REL="false" STATUS="0" />|
[16:58:50:412]|[01-27-2012]|[com.adventnet.servicedesk.utils.ServiceDeskUtil]|[SEVERE]|[47]|: FAILURE :Error occured while sending.<br><br> Please report the problem to the system administrator, with the Error Code - 1,327,701,530,350.|
[16:58:50:412]|[01-27-2012]|[com.adventnet.servicedesk.utils.HdServiceDeskUtil]|[INFO]|[47]|: HTML Mail send option is enabled from cache true|
[16:58:52:380]|[01-27-2012]|[com.adventnet.servicedesk.helpdesk.mail.task.MailFetchingTask]|[INFO]|[45]|: MailFetchingTask instantiated. |
[16:58:52:380]|[01-27-2012]|[com.adventnet.servicedesk.helpdesk.mail.task.MailFetchingTask]|[INFO]|[45]|: Host : Lyra, username : PBIServiceDesk, mailbox : INBOX, protocol : pop3, interval : 1, port : 110|
[16:58:52:380]|[01-27-2012]|[com.adventnet.servicedesk.helpdesk.mail.task.MailFetchingTask]|[INFO]|[45]|: Obtained mail fetching session.|
[16:58:52:380]|[01-27-2012]|[com.adventnet.servicedesk.helpdesk.mail.task.MailFetchingTask]|[INFO]|[45]|: Obtained mail store from session.|
[16:58:52:490]|[01-27-2012]|[com.adventnet.servicedesk.helpdesk.mail.task.MailFetchingTask]|[INFO]|[45]|: Obtained connection to store.|
[16:58:52:490]|[01-27-2012]|[com.adventnet.servicedesk.helpdesk.mail.task.MailFetchingTask]|[INFO]|[45]|: Obtained mail folder.|
[16:58:52:490]|[01-27-2012]|[com.adventnet.servicedesk.helpdesk.mail.task.MailFetchingTask]|[INFO]|[45]|: total_msg_count : 0|
[16:58:52:490]|[01-27-2012]|[com.adventnet.servicedesk.helpdesk.mail.task.MailFetchingTask]|[INFO]|[45]|: Txn suspended  for last updated time..|
[16:58:52:490]|[01-27-2012]|[com.adventnet.sqlone.search.dbcrawler.ejb.internal.DatabaseCrawler]|[INFO]|[45]|: Connection obtained for crawling the database <AppIndexingInfo CRID="134" APPLICATIONID="1" APPLICATIONNAME="ServiceDesk" APPDSNAME="default" MAXWORDSIZE="200" INDEXINGDELIMITERS=",:@-. (){}" ENABLEPARTIALSEARCH="true" ENABLEDYNAMICINDEXING="true" ENABLEINCREMENTALINDEXING="false" POPULATE_FK_REL="false" STATUS="0" />|
[16:58:52:490]|[01-27-2012]|[com.adventnet.servicedesk.helpdesk.mail.task.MailFetchingTask]|[INFO]|[45]|: Txn resumed after Last Updated time .....|
[16:58:52:490]|[01-27-2012]|[com.adventnet.servicedesk.helpdesk.mail.task.MailFetchingTask]|[INFO]|[45]|: No messages found.  so sleeping|
[16:58:52:490]|[01-27-2012]|[com.adventnet.servicedesk.helpdesk.mail.task.MailFetchingTask]|[INFO]|[45]|: Before closing folder in closeResources|
[16:58:52:490]|[01-27-2012]|[com.adventnet.servicedesk.helpdesk.mail.task.MailFetchingTask]|[INFO]|[45]|: folder is open so closing...|
[16:58:52:490]|[01-27-2012]|[com.adventnet.servicedesk.helpdesk.mail.task.MailFetchingTask]|[INFO]|[45]|: before closing store|
[16:58:52:599]|[01-27-2012]|[com.adventnet.servicedesk.helpdesk.mail.task.MailFetchingTask]|[INFO]|[45]|: store is connected so closing...|
[16:58:52:599]|[01-27-2012]|[com.adventnet.servicedesk.helpdesk.mail.task.MailFetchingTask]|[INFO]|[45]|: MailFetchingTask ---> executeTask() called ... |
[16:58:52:599]|[01-27-2012]|[com.adventnet.sqlone.search.dbcrawler.ejb.internal.DatabaseCrawler]|[INFO]|[45]|: Connection obtained for crawling the database <AppIndexingInfo CRID="134" APPLICATIONID="1" APPLICATIONNAME="ServiceDesk" APPDSNAME="default" MAXWORDSIZE="200" INDEXINGDELIMITERS=",:@-. (){}" ENABLEPARTIALSEARCH="true" ENABLEDYNAMICINDEXING="true" ENABLEINCREMENTALINDEXING="false" POPULATE_FK_REL="false" STATUS="0" />|






















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