Unix/Linux/BSD
Tips
Convert mail from what mutt can read to mbox
I had to do this to get some old legacy mails converted and uploaded to my IMAP server. From http://foolab.org/node/1737
My temporary muttrc file looks like this:
# Maildir, MH, mbox or MMDF
set mbox_type=Maildir
set my_archivedir="~/mutt_archive/$mbox_type"
set confirmcreate=no
set confirmappend=yes
set quit=yes
folder-hook . 'push <tag-pattern>~A<enter>\
<tag-prefix><copy-message><kill-line>\
$my_archivedir<enter><quit>'
Then called mutt with mutt -F ./muttrc -f mailbox
and it would convert the mailbox to the selected format below ~/mutt_archive/
(which must exist).