On Wed, 21 Jan 2004 00:47:21 -0600, you wrote: >Does anyone have experience with SMTP and POP3 email protocols ? > Yes. >I'm trying to write C code for the PIC 18F452 to negotiate the = connection to a server through an 802.11b wireless access point = connection to the internet. I'm assuming you know that a TCP connection is required, that's the hard part. Beyond that, its just a text based conversation often done using a state machine. The best place to start is to read the RFC's. Using the RFC's you can simply telnet into the SMTP or POP server and issue = commands (you might need to use line input mode, don't remember) to get a feel for how it all works. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu