Scheduling in BusinessObjectsEnterprise4.0 SP2

We are testing scheduling in BusinessObjectsEnterprise4.0 SP2 , the Instance manager history shows reports are run successfully .

I am try to send the crystal reports/webi reports in PDF format to specific email id's.

Please let me know if any additional configuration need to be done for the mail scheduling but everything is right according to CMS and history shows successfull but mails are not delivered.

Thanks in advance for the help