Alan Schmitt <alan.schm...@polytechnique.org> writes: > Nick Dokos <nicholas.do...@hp.com> writes: > >> The message ID is preserved even if I move messages to other >> folders. So as long as your search engine searches by message ID, you >> should be all set, except that you might have to resync the database of >> your search engine, if it uses one. > > I guess this is the crux of my problem: I don't know how to tell gnus to > search some mail by message ID if it's not in the group it was > initially. I'll dig into this and will report here when I find a > solution.
Thanks to Memnon's advice (off list), I was able to track down the problem. For some reason, the nnregistry file would sometimes not be updated (it's the .gnus.registry.eioio file) and links would not work. Saving the file manually (using 's' in the *Group* buffer) fixes it. Alan
