> exim -bp | grep 'frozen' | xargs -L 1 exim -Mrm >
> And if you want to remove not only 'frozen' messages, but
> also undelivered bounces, you may want to play with regexp to
> catch '<>'.
But this will also remove messages from me@??? and all derivates with (sub)string frozen. Like "deepfrozen@???".
" \*\*frozen\*\*$" helps a bit because **frozen** is last string in mailqueue line separated with whitespace..