"This service allows you to configure your default email client. All KDE applications which need access to an email client application should honor this setting."

->

"Choose your preferred email client. All KDE applications that request access to an email client should honor this setting."

Also, should we hardcode KMail in here? What if the distro chooses not to install it? Perhaps we should populate this list programmatically, like we do for other ones.

This task can be closed I think, as it was redesigned with 5.19