On Fri, Aug 27, 2021 at 04:12:56PM +0000, Bryan Brattlof wrote: > Changes in v3: > - Fix issue causing some emails to drop their In-Reply-To: header. > > (For the curious: NullMailer & my email provider where conspiring) Did not quite work, see: https://lore.kernel.org/r/cover.1630080164.git.hello@xxxxxxxxxxxxxxxxx as proof that only this message, and 1/5 were linked together. The other 4 were out on their own :( Also, there was no "v3" in the subject line as the documentation asks for :( v4 please? thanks, greg k-h