By scrolling through the logs, you can find the messages which are of interest. Click on a message entry to see the full message. If you don't get to the right place, there's probably a typo. WWW access to the archives is not limited to subscribers, so you can share the URL for the archives with your friends who are not subscribers to the list. And tell them we would like to have them as subscribers and participants, too.
All numbers are arbitrary examples.
For those who have to use email the following is applicable. EOJ XXX, YYY and ZZZ are the keywords. The time limitation has as its main purpose to limit the search time, because the CPU-time of the listserver is limited to 60 seconds. Index gives you a list of all the messages containing in the message body the combination of keywords asked for. Each message is identified by a number.