Manpages of mailscripts in Debian buster-backports

• email-extract-openpgp-certs(1)
• email-print-mime-structure(1)
• gmi2email(1)
• imap-dl(1)
• maildir-import-patch(1)
• mbox-extract-patch(1)
• mbox2maildir(1)
• mdmv(1)
• notmuch-extract-patch(1)
• notmuch-import-patch(1)
• notmuch-slurp-debbug(1)