Thank u friends, I got it. I was discussing with the expert developers and they are also suggesting the same, will work with my devp. team on this. thanks.

Yes, but this will tell me only about the service account which the application is using and not the logins of the users who are connected to the application.

Dear Sirs,

This is a CRM application and sending mail is part of the application. we are not using sql mail or db mail. anyway I have escalated the issue to...

Yes Roy. I checked that too. The SPID (of the sick job) is neither blocked by any other spid, nor it blocks any. I am not considering stop job scripting...