An In progress build got those of you wanting a copy/paste building to accompany the redstone system for your servers
max of 15 ppl atm may extend the threshold if requested.
you can use the process the machine runs on to try and create new builds or create your own version, and any ideas or questions are welcome but don't steal the machine like sub and diamond, and mail me if you'd like to see more. for a raw version visit Milky_Blasts post http://www.planetminecraft.com/project/vanillasurvival-minecart-mail-system-no-command-blocks/ where the original machine is located