Sending Bulk Email With outusing Database Touch

Hi:

I have a task of sending Bulk Email in which the email ids should be fetched from database and keep it in a folder.After that, group the email ids and finally send a message to that group.The group contains 10000 Email ids. This task is more like Yahoo grouping,Rediff grouping.For ur kind info i am using asp.net with C#.Can any one send me code to solve this task.Its very urgent..plz..

 Thanks:
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