Mail Server Stuff
First off, the learning curve on postfix blows donkey balls. Secondly, I've been using sendmail for way too long and don't really WANT to use postfix. However, I admit that there are quite a few great advantages to the postfix MTA, such as Virtual Domains and the user interface.
- No Scroll Tabs: goto about:config, set browser.tabs.tabMinWidth=1
- Close on Tab: goto about:config, set browser.tabs.closeButtons=1