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Setting Up sendmail

Posted on 1998-11-17
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Last Modified: 2010-03-18
On our LAN we have 12 Win95/98 machines and 2 RH Linux 5 boxes.  One of the Windows machines has a modem and an internet account.  One of the Linux machines is being used with the default sendmail config for internal mail through the LAN (read through a telnet client).  

firstly, how do I set up sendmail to host a POP3 or IMAP mail server so that standard email clients can connect?


Secondly, it would be ideal if the windows box with the modem could connect to the internet and transfer everyone's email to and from the university's mail servers - if anyone can help with this it would be appreciated.

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Question by:shivers
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schmox earned 200 total points
ID: 1587666
First, sendmail cannot be used to read mails, it only sends them (hence the name ;-). You need a POP3 daemon (e.g. qpopper) or an IMAP deamon (e.g. cyrus-imapd) for this purpose. Second, IMHO it would be more intelligent to set up one of the Linux boxes as your "central" internet host, i.e. plug the modem into the Linux box and let it do the mail handling to and from the university.

Cheers,
Schmox

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by:shivers
ID: 1587667
Ok I've installeda POP3 daemon now, but for some reason it won't let any machine connect to it (access is enabled in /etc/hosts.allow) - Eudora Pro jsut spends ages hanging at the 'logging in to server' stage.

I realise the best option would be to connect the Linux box directly to the net and use sendmail/fetchmail to process it all - but this is not an option due to their locations

Any help as to reasons why POP3/SMTP isn't working (or URLs for tutorials) would be appreciated

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Expert Comment

by:schmox
ID: 1587668
Doesn't the POP3 deamon have any documentation (README's HOWTO's etc.) or configuration files? Does it listen on the correct POP3 port (110) ? Try 'netstat' to find out.
What about the log files? Is there any record of your POP3 attempt, e.g. in /var/log/messages ?
Did you set up an IP filtering firewall (using ipfwadm) and forgot to open the POP3 port?

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