# view and delete e-mail using the POP3 protocol
 
import sys, getpass, poplib, re
 
# change according to your needs
POPHOST = "pop.domain.com"
POPUSER = "joedoe"
POPPASS = ""
# the number of message body lines to retrieve
MAXLINES = 10
HEADERS = "From To Subject".split()
 
# headers you're actually interested in
rx_headers  = re.compile('|'.join(headers), re.IGNORECASE)
 
try:
    # connect to POP3 and identify user
    pop = poplib.POP3(POPHOST)
    pop.user(POPUSER)
 
    if not POPPASS or POPPASS=='=':
        # if no password was supplied, ask for it
        POPPASS = getpass.getpass("Password for %s@%s:" % (POPUSER, POPHOST))
 
    # authenticate user
    pop.pass_(POPPASS)
 
    # get general information (msg_count, box_size)
    stat = pop.stat(  )
 
    # print some information
    print "Logged in as %s@%s" % (POPUSER, POPHOST)
    print "Status: %d message(s), %d bytes" % stat
 
    bye = 0
    count_del = 0
    for n in range(stat[0]):
 
        msgnum = n+1
 
        # retrieve headers
        response, lines, bytes = pop.top(msgnum, MAXLINES)
 
        # print message info and headers you're interested in
        print "Message %d (%d bytes)" % (msgnum, bytes)
        print "-" * 30
        print "\n".join(filter(rx_headers.match, lines))
        print "-" * 30
 
        # input loop
        while 1:
            k = raw_input("(d=delete, s=skip, v=view, q=quit) What?")
            k = k[:1].lower(  )
            if k == 'd':
                # Mark message for deletion
                k = raw_input("Delete message %d? (y/n)" % msgnum)
                if k in "yY":
                    pop.dele(msgnum)
                    print "Message %d marked for deletion" % msgnum
                    count_del += 1
                    break
            elif k == 's':
                print "Message %d left on server" % msgnum
                break
            elif k == 'v':
                print "-" * 30
                print "\n".join(lines)
                print "-" * 30
            elif k == 'q':
                bye = 1
                break
 
        # done ...
        if bye:
            print "Bye"
            break
 
    # summary
    print "Deleting %d message(s) in mailbox %s@%s" % (
        count_del, POPUSER, POPHOST)
 
    # close operations and disconnect from server
    print "Closing POP3 session"
    pop.quit(  )
 
except poplib.error_proto, detail:
 
    # possible error
    print "POP3 Protocol Error:", detail