On 10.09.20, mjsseppl-m...@yahoo.de wrote: > On 10.09.20, Yue Wu wrote: > Do "H" and look at the headers and you'll see under References: > <20100919012315.gc36...@fbsd.t60.cpu> <20100919071840.ga26...@murdoc> > etc. >
"In-Reply-To:" is also used. Kind regards Michael