How to set up pop3 protocol in SCO UNIX or DIGITAL UNIX

    I just begin to admin a host running UNIX. I want to set up pop3 protocol on a VAX mini-computer running DIGITAL UNIX(OSF) and a PC server running SCO UNIX to allow users to download e-mails from mail client.
     I don't have experience on setting up a UNIX host. Can anyone tell me how to set up pop3 in UNIX?
jinlingAsked:
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pxhCommented:
Well, it depends which pop3 server you have. I use qpopper2.2 here and just followed the installation instructions. Basically there is advice, how to build the executable, there are make files for the different Unix flavors (SCO and OSF among them).

Then I had to configure the service, which means to add an entry to /etc/inetd.conf e.g.:

pop3 stream tcp nowait  root /etc/mail/popper popper -s

and to /etc/services, e.g.:

pop3            110/tcp

This is an example from a Solaris system, but from what I see in the INSTALL file, it's very similar for most OS and the other possibilties are described there.

There are other pop3 servers, which require different installation procedures. E.g. I once had one, which needed to run as a background process. So the details always depend on which
pop3 server you really use.

You could have a look to:

http://www.eudora.com/mailhosts.html

There is an overview on pop3 servers. Certainly they all come with installation instructions.


Hope this helps,

Peter (pxh@mpe-garching.mpg.de)

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jinlingAuthor Commented:
I can't find popper on the PC server running SCO UNIX. I don't where I can download this file ruuning under SCO UNIX.
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