This app can sort mails, using a list of mails and collaborators.
Using MailParser, you will be able to sort your enterprise's mail, using only the key arrows of you computer.
You can select mails and contact from a collaborator, and sort with a top 10, a list of buzzy days, etc...
Also, you can decide to visualize the result directly in your command prompt, or export it.
CPO is a tool written in Java that manages newsletters. It's focused on corporate needs (privacy, scalability, bounce count, opt-in & out, newsletter statistics).
IMAP-Agent is an automated IMAP mail folder management system implementing site wide and
individual user specific rules for filtering mail between folders.
Also, quotas can be maintained by age or max count of
messages for any folder.