Even having done professional mail hosting for years at one point in my sysadmin career, I still think paid email hosting is worth it even for those with the skills to stand it up themselves, at least for any inbox that might see actual important communication.
The reliable infrastructure, and the reputation management demands on a self-hosters time are a tough sell, when the cost to make it someone else’s problem is comparatively low. :D
Since the primary complaint is unbalanced audio levels, perhaps the better question would be how to construct a command to normalize the audio of the clip rather than removing the attribution to the creators.