On Mon, 19 Oct 1998, Alan Eugene Davis wrote:

> I'm not sure how to handle this.  How can I set up email for several 
> machines on a LAN.  The LAN is not now connected to the outside world.  
> For now, it would just be interesting to be able to send messages back 
> and forth.
> 
> SHould one machine be a mail server?

You don't describe the LAN.  If it is a TCP/IP LAN and all the
computers on it run Linux or some version of Unix, they should
arguably all be SMTP servers to minimize network traffic.  This kind
of arrangement is arguably more secure, too.

If some of them are Microsoft PCs, you don't have that choice.  In
that case, select a Linux computer to be an SMTP server (running,
e.g., sendmail) to receive the mail from all the PCs, and also set
it up as a POP3 or IMAP server (running pop3d or imapd or both), to
respond to the PCs, which have periodically to poll it to see if it
has mail for them.

If you are using POP3 or IMAP, people have to have accounts on
the machine running pop3d/imapd.

In configuring the mail program on the PC, each user will have to
give it the address of the POP/IMAP server, and, when starting the
program, enter his or her password for the server machine.  The
client, e.g.  Microsoft Outlook Express, should ask for this
information in a fairly obvious way. 

Rgds, mtw





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