in Gnus. Here comes nnir into action. Nnir is a front end
to search engines like swish-e or swish++ and
others. You index your mail with one of those search
-engines and with the help of nnir you can search trough
+engines and with the help of nnir you can search through
the indexed mail and generate a temporary group with all
messages which met your search criteria. If this sound
cool to you get nnir.el from