Qmail + Vpopmail with
Mailman: How to make a qmail and vpopmail installation
play nicely with the Mailman mailing list manager.
Vpopmail and IMP Hacks: How
to enable a quota usage display in IMP when quotas are managed
by vpopmail, hacks to enable the forwards and vacation modules
of horde with a qmail+vpopmail setup.
Programming
Python Tricks: A grab-bag of
useful or fun things to do with Python.