Sending mail in asp.net

Hi All,

I am using mail sending in my application , the page i am using is lengthy, i want when i am clicking my submit button all of proses ( i.e business logic that i am using in my page ) compeltes and page is transfer to new page ...meanwhile i am using sending mail .. all of method works fine ,even mail also sending but the page halt some time untill or unless the mail send to the user ... i want to remove this time.

I mean when i am clicking submit button page must be transfer immidiately to new page without halting the page and mail should be send from other thread ... how it can be done ?