Actually setting up a e-mail server is pretty easy. Its the requirements of you or your project that makes it difficult. There are hundreds of thousands specif

Actually setting up a e-mail server is pretty easy. Its the requirements of you or your project that makes it difficult. There are hundreds of thousands specific needs for a company, a small group or even a single person. As soon as you know what you need, you will soon find a setup advice. Also, if you don't know what is possible via email protocols (smtp, pop, imap etc.) you are thinking about solutions that has been thought about several times and mostly you start to "hack" something (via Perl, Python, Milter etc.) to fit your visionary idea, just to realize that it is a common problem that you can switch on and off via config.