This is my first attempt to share I hack I've made based on a few others hacks around the web. It worked for me but I can't guarantee it will work for you. If you try it, make sure you back up the original files you are modifying before attempting. I don't suggest this to novice MT users.
On October 13th, the MT-Blacklist plugin was released by Jay Allen. However, I found that the Blacklist.pm conflicts with the Adam Kalsey comment notification Hack.
There is a simple way of fixing this small error if you do not want to receive e-mails of your comments.
Open Blacklist.pm to line 2395 and you will see the following:
MT::Mail->send(\%head, $body);
Place the following code in its place:
MT::Mail->send(\%head, $body) unless $author->email eq $comment->email;
This will act the same as the Adam Kalsey Comment notification Hack as Patricia posted in reply to the original entry posted on the hack.
Originally posted at 2:02 PM
Updated 3:44 PM 10/15/2003 This post is also mirrored on Scriptygoddess.
Updated 4:39 PM 10/15/2003 If you are using Promoguy's More Meaningful Comment Notifications hack, you will need to edit Blacklist.pm, too, for MT to send your notifications as you did in /lib/MT/App/Comments.pm
Updated 8:42 PM 11/4/2003 With the latest release of the of the MT Plugin, version 1.5, the line in question is not at line 2395. It's at 3496. That location may change with further developments of this plugin. Remember, any tweaks made to the /lib/MT/App/Trackback.pm and the /lib/MT/App/Comments.pm modules must be made to the Blacklist.pm module for them to work with MT-Blacklist.
Updated 2:29 PM 12/14/2003 MT-Blacklist has been updated such that any tweaks you need to make to the /lib/MT/App/Trackback.pm and the /lib/MT/App/Comments.pm modules can now be made to the MTBlPing.pm and MTBlPost.pm modules that come with MT-Blacklist. That should save you from having to edit this hack back every time you upgrade. :)
Posted by Shawn at October 15, 2003 11:59 PM in Tweaking.

