HowTo

HowTo

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POP3

Contact:http://www.packetnexus.com

http://www.sysadminmag.com/linux/articles/v09/i02/a6.shtml

Setting up the POP3 Server
The POP3 server listens for mail pickup requests from the users. If the POP3
server receives a pickup request, the POP3 server forwards all waiting
messages to the email client program on the user’s PC. To check whether you
have the IMAP POP3 server installed, use this version of the rpm command:
# rpm -q imap
If the system responds with something like imap-4.5-3, then the package is
already loaded. If not, mount your distribution CD-ROM and install IMAP:
# mount /mnt/cdrom
# cd /mnt/cdrom/RedHat/RPMS
# rpm -ivh imap-somereleasenumber.i386.rpm
You may also need to activate those services in /etc/inetd.conf. Here’s the
line pertaining to POP3 before I change it in /etc/inetd.conf:
#pop-3   stream  tcp     nowait  root    /usr/sbin/tcpd	ipop3d


Uncomment the line by removing the hash mark at the beginning. Next, refresh
the inetd process for this change to take effect. Find inetd’s process id
and send a SIGHUP to it. That means you do a kill -1 on the process. Be
careful because a kill -1 looks an awful lot like a kill 1. The master
process on the system is init, and it runs at process id 1. Kill init, and
you kill the whole system. If you are concerned, use kill -SIGHUP instead of
kill -1. Here’s how it looks:
# ps ax | grep inetd
  391 ?        S      0:00 inetd
6568 pts/0    S      0:00 grep inetd

# kill -1 391
#
On my RedHat system, I can also restart inetd like this:
/etc/rc.d/init.d/inet restart
The next step is to refresh Sendmail.


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