[Mailman-Users] Delete message in large mbox

[Odieresis [Gmail]]

Mark Sapiro ha scritto:
> You could try ed, ex, vi or vim, or you could just edit the individual
> HTML message per the last section in the revised FAQ

I don't want to edit the html files and leave the message in the mailbox.
I tried to use vim, but it's a too long file to manage (I don't know how 
to do, too).
It will be nice if I can download and edit the mbox file or use such a 
mailbox manager online.

Thank you.