import os,re

match = re.compile("(super secret recepients)")
pgp = "----- BEGIN PGP"

files = []
for top,ds,fs in os.walk(os.path.expanduser("/place/.maildir/")):
    files.extend((os.path.join(top,f) for f in fs))
files.sort(key=lambda path: -os.stat(path).st_mtime)
for path in files:
    with open(path) as inp:
        msg = inp.read()
    if not pgp in msg: continue
    ret = match.search(msg)
    if ret:
        print(path)
        print msg