In today's world all placement consultancy firm use the database of online placement consultancy website like naukri.com or Timesjob.com for their client's requirement. Once they scrutinize the prospective candidates using keywords, they get the e-mail I.D. of all candidates. After that these placement consultancy firm use Outlook Express(usually use outlook express) and copy-paste all E-mail I.D.s may be more than 1000 and send it to all candidates. Beside manually copy-pasting these placement company use some process through which the selected E-mail I.D. automatically get copy-pasted and then send it to all in fraction of second (depending on internet speed).
