the pymailgui client "use the sourcelukethe preceding introduced python' client-side internet protocols tool set--the standard library modules available for emailftpnetwork newshttpand morefrom within python script this picks up where the last one left off and presents complete client-side example--pymailguia python program that sendsreceivescomposesand parses internet email messages although the end result is working program that you can actually use for your emailthis also has few additional agendas worth noting before we get startedclient-side scripting pymailgui implements full-featured desktop gui that runs on your machine and communicates with your mail servers when necessary as suchit is network client program that further illustrates some of the preceding topicsand it will help us contrast server-side solutions introduced in the next code reuse additionallypymailgui ties together number of the utility modules we've been writing in the book so farand it demonstrates the power of code reuse in the process--it uses thread module to allow mail transfers to overlap in timea set of mail modules to process message content and route it across networksa window protocol module to handle iconsa text editor componentand so on moreoverit inherits the power of tools in the python standard librarysuch as the email packagemessage construction and parsingfor exampleis nearly trivial here programming in the large and finallythis serves to illustrate realistic and large-scale software development in action because pymailgui is relatively large and complete programit shows by example some of the code structuring techniques that prove useful once we leave the realm of the small and artificial for instanceobjectoriented programming and modular design work well here to divide the system in smallerself-contained units