This message is currently my white whale... It seems to pops up on many installs, yet I (upstream) still didn't manage to reproduce it accurately. And every time I have it, it only appears on the first run on munin-html via munin-cron.
So, I *know* the warning is here, and I'll fix it as soon as I have some time for extensive testings. On a side note, I think that sending email per default is a feature. The fact that /var fills up is due to the previous bug and not from having too much emails. Big thx for the bug report (as it was previously reported only on rpm-based distros) Steve
