timer class to send mail

hi everyone

i am developing a appplication in which the application sends automatic mails after different intervals of time and i am using timer class for that

my question is that if i upload application on server and starts timer and after some time i again upload application will the timer running previously be destroyed since i undeployed application and then deployed again

[398 byte] By [harrriiiia] at [2007-11-26 17:46:55]