Wildcards in an approve list?

[Kelly Feagans <kfeagans @ mgsw3 . jpl . nasa . gov>]

Is it possible to wildcard a domain so that a list could be used by anybody
at that domain?

i.e.  I want anybody at "whatever.com" to be able to send to a certain list
(but nobody else)?

What would the approve file look like?

Thanks

kf


_______________________________________________________________________
| Kelly Feagans, Network Engineer        |                             |
| Mars Global Surveyor                   |        _____    __o         |
| Jet Propulsion Laboratory, Section 392 |     ------    -\ \<,        |
| email: kfeagans@mgsw3.jpl.nasa.gov     |      ----   ( )/ ( )        |
| http://mgsw3.jpl.nasa.gov              |                             |
|________________________________________|_____________________________|

      DISCLAIMER: All personal and professional opinions expressed
                  herein are my own and do not, in any way, represent
                  the opinion or policy of JPL.