index prev next --- Petmail --- --- Brian Warner --- CodeCon2004 ---
 but it is convenient to use SMTP as a transport layer. The address used here
 is just for transport, and can be completely unrelated to any addresses
 which point to the recipient's IDRecord. This means they can be changed at
 any time, so you can leave a provider who gives slow service without
 changing your addresses or losing the connections you've established with