[skynet]

SendEmailMessage called
MailStoreExchange::SendEmailMessageBlock - GetReceiveFolder failed, result=0x80040115.
MailStoreExchange::SetBccData - Bad parameters.
MailStoreExchange::SendEmailMessageBlock - SetBccData failed; addr=<mail id>, result=0x80004005.
Failed to mail Subject <message> to <mail id>
SendEmailMessage called
MailStoreExchange::SendEmailMessageBlock - Added recipient <mail id >.
MailStoreExchange::SendEmailMessageBlock - SubmitMessage failed, result=0x80004005.
Failed to mail Subject <message> to <mail id >
SendEmailMessage called
MailStoreExchange::SendEmailMessageBlock - Added recipient <mail id >.
Subject <message> mailed to <mail id >............(sucessful)

Installed new BES 5.0.2 & all the services are working fine getting mails on BB handset (vice-versa) but after 1 hour or so not able to send message(email) from BES server also the password...... though BB mails working fine.
It starts working when retry to send multiple times.
Mail store server logs (MAST) given above