While I'm a staunch proponent of building code that reuses other work as much as possible, there comes a time when new ideas, implementations, or just plain better work means either your dependencies are co-dependent (ha) or simply obsolete.
If you're interested in doing code profiling, [KCachegrind](http://kcachegrind.sourceforge.net/) is a great utility to investigate what part of your code is hogging CPU time. If you're on a debian or ubuntu machine, it is simple to install. If you're on OSX... well you've got a bit of work to do.
I'm working on a connector between http://drupal.org/project/mailhandler">Mailhandler and http://drupal.org/project/og">organic groups that will allow site users to post content to groups via a specific email address. While mailhandler does http://drupal.org/node/136606">support this the configuration that I'm interested in doesn't seem to exist yet. Instead of using Mailhandler's syntax for creating nodes, I want users to be able to post via a specific email address- for example email@example.com.