"... Where should i start. I interested in making a new application client. Thoughts? ..." To learn how email was invented - http://www.livinginternet.com/e/e

"... Where should i start. I interested in making a new application client. Thoughts? ..." To learn how email was invented - http://www.livinginternet.com/e/ei.htm http://www.livinginternet.com/e/ei.htm To get an idea of how the specifications started - http://www.faqs.org/rfcs/rfc822.html http://www.faqs.org/rfcs/rfc822.html and how they are now interpreted - http://www.faqs.org/rfcs/rfc2822.html http://www.faqs.org/rfcs/rfc2822.html and to program a simple client in python read the source code from Programming Python by Mark Lutz ~ http://www.rmi.net/~lutz/about-pp3e.html http://www.rmi.net/~lutz/about-pp3e.html I mention Python & Lutz specifically because they are covered in detail as a CLI then GUI app in "Programming Python Ed3", pp 766 - 911 ~ http://www.oreilly.com/catalog/python3/ http://www.oreilly.com/catalog/python3/ You can download the source examples here ~ http://examples.oreilly.com/python3/ http://examples.oreilly.com/python3/