General questions and support
For bugs, a broken download, or anything else about using YTMP4, email [email protected]. Including the video link and the format you tried makes it easier to track down a specific problem.
Copyright notices
Takedown requests go to a separate address, not this one. The DMCA policy covers what to include and where to send it.
Response time
Replies aren't instant, so give it a few days before following up.