How to send an email with the details entered in a text field ?

Hi

How to send an email to a specified email address , everytime somone enters details into a text fields and submit… like a survey system

Does anyone know how to do this? hopefully using C#

check this out

http://stackoverflow.com/questions/4148019/authentication-or-decryption-has-failed-when-sending-mail-to-gmail-using-ssl