If you combine the numbers you can get any combination of settings.
1+2=3 (POP and IMAP)
1+2+4+8=15 (all but webmail)
2+4+8+16 =30 (all but POP)
Those are some examples.
Matt Petty
Software Developer
SmarterTools Inc.
(877) 357-6278
www.smartertools.com