Hm, I wish
In reply to:
most people do read the welcome message
was the case! I checked my board's private messages via phpMyAdmin and it showed that at least half the "Welcome" messages had the status 'N' - New, i.e. unread. I've edited the e-mail with the password some, to point out the preferences, option to change the random password to something easier to remember, but it may be best if a URL could be given to a manual, which should be linked in the main menu as well. Of course, the manual needs to be written first...