Installing POP servers on linux?

[jc at trillian.mit.edu (John Chambers,,,781-647-1813)]

Here at work, the question has  come  up  of  testing  some  software
against various POP servers.  Since we have a bunch of linux boxen in
the lab, mostly  running  Redhat  5.2  at  the  moment,  the  obvious
starting  place  was  to  bring up a few POP servers on ports 109 and
110, and test against them. So far, the couple of us involved in this
have utterly failed. The systems seem configured to run something, as
seen by the inetd.conf entries:

pop-2   stream  tcp     nowait  root    /usr/sbin/tcpd  ipop2d
pop-3   stream  tcp     nowait  root    /usr/sbin/tcpd  ipop3d

Here the trail rapidly grows cold.  ipop2d and ipop3d are nowhere  to
be  found, and don't seem to be loadable off the CD via any scheme we
can come up with.  There are lots of HOWTOs and other docs explaining
how  to make various apps talk to a POP server.  There's even a thing
in linuxconf for adding up POP user accounts.  But not a clue  as  to
how one goes about setting up a POP server to use those accounts.

This seems curious.  Does Redhat actually come with a POP  server  or
two? If so, how might one ferret it out of the CD and get it running?
If not, is there somewhere that one might  download  such  a  server?
Futzing around with the various search sites seems to produce lots of
hints that it's possible, but no actual pointers to servers.

Note that, while it might be true that other servers (such  as  IMAP)
may  be  better than POP3, that isn't the problem.  The problem is to
test some software against a few POP servers, so we've  gotta  get  a
few of them running somewhere.

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