On 2023-01-20, Dr Rainer Woitok wrote: [...] > Either these mail identification numbers should be somehow visible and > in particular searchable at > > https://archives.gentoo.org/gentoo-user/ > > or the mail that some mail couldn't be delivered should contain more in- > formation like author, date and subject.
And Message-ID... at least that one would enable searching for the specific message in other archives too. (Also, why is Date different between the actual message and the web archive under gentoo.org?) -- Nuno Silva

