-=> mark lewis wrote to William McBrine <=-

 ml> the easiest option is to use MSGID and simply use a serial number that
 ml> starts at x and increments x+1 for each message posted... the only
 ml> problem with this method is determining what digit to start x at
 ml> because it is possible that a system may need to be reinited and thus
 ml> start with a new counter...

Easy. Use the time as the base for the counter, so the least-significant
bits are an offset from the time. Of course, this still implies a limit on
the number of unique IDs that can be generated per second, but at least the
limit can be set a lot higher than 1/2. :-)

... Maintenance Free:  It's impossible to fix.
--- MultiMail/Linux v0.44