# Trainer: Preparation Preparation of a Mastering Plone Development Training You are about to give a training. Here are some tips what to prepare before. ## Technical set up to do before a training - Prepare a mail server for the user registration mail (See {ref}`features-mailserver-label`) - Update the Plone version in [constraints.txt](https://github.com/collective/training_buildout/blob/main/constraints.txt) of collective/training_buildout. - If you do only a part of the training, prepare an installation with the steps of the previous chapters. See {doc}`/mastering-plone/code` for more information.