[Users] How to insert signature above the original (quoted) message when replying?

[Removed GDPR]

> In my experience, these same people quote everything, and keep on
> quoting everything with each reply, so you end up with a large
> message consisting of 90% junk.

True. Perhaps that is to a great extent because of how the default
(web) mail clients are made to work.

I am happy to have found claws!