[comp.unix.questions] How to disable receiving mail from outside the domain?

peter%FenK.WAU.NL@pucc.princeton.edu (05/18/91)

Is there any way to prevent a (single) user from receiving mail
from outside the local domain? We want to install a mailer that only
we can use.

We use sendmail on a Sun 3/80 running SunOS 4.1.1

Peter Barneveld
Wageningen University
The Netherlands.
peter@fenk.wau.nl
bitnet: barneveld@hwawau52