Apple added a lot of functionality to OS X’s built-in email client Mail.app, some useful like the GTD inspired ability to highlight snippets inside an email and turn them into To Do list items. Many are utterly frivolous, however, such as the ability to use “stationery” on emails. There are some basic functions Mail.app does not do, however, and they should get their priorities straight:

• Change the default sort order from being “Date Received Ascending” to descending, so newer items are on top.
• When replying to an email in a folder, put the reply in the same folder instead of the catch-all Sent Items folder.
• Often you send an email to someone to ask them to perform a task for you, then a few days later you want to send them a reminder. The normal way to do this is to select the previous email and click “Reply”. Unfortunately this sends the follow-up email back to yourself rather than the recipient of the origina request. Mail.app should be smart about replies or forwards when the sender and/or recipient or the recipient of the original email is yourself.