First you need to install the libraries that is needed for qmail
yum install gcc
yum install make
yum install groff
yum install patch
yum install openssl openssl-devel
yum install pam pam-devel
the following are the source file need to be downloaded
cd /usr/local
wget http://www.qmail.org/netqmail-1.06.tar.gz
wget http://cr.yp.to/ucspi-tcp/ucspi-tcp-0.88.tar.gz
wget http://cr.yp.to/daemontools/daemontools-0.76.tar.gz
wget http://cr.yp.to/checkpwd/checkpassword-0.90.tar.gz
wget http://downloads.sourceforge.net/project/vpopmail/vpopmail-stable/5.4.30/vpopmail-5.4.30.tar.gz?use_mirror=nchc
wget http://www.dovecot.org/releases/1.2/dovecot-1.2.11.tar.gz
mkdir /package
mv -iv /usr/local/daemontools-0.76.tar.gz /package
Adding needed Users/Groups
———————————
groupadd nofiles
useradd -g nofiles -d /var/qmail qmaild
useradd -g nofiles -d /var/qmail qmaill
useradd -g nofiles -d /var/qmail qmailp
useradd -g nofiles -d /var/qmail/alias alias
groupadd qmail
useradd -g qmail -d /var/qmail qmailq
useradd -g qmail -d /var/qmail qmailr
useradd -g qmail -d /var/qmail qmails
Installing qmail
—————–
tar -xzvf netqmail-1.06.tar.gz
cd netqmail-1.06/
make setup check
./config-fast –> hostname of the server
Qmail aliases.
—————–
useradd adminmails;
cd ~alias;
echo “adminmails” > .qmail-postmaster
echo “adminmails” > .qmail-mailer-daemon
echo “adminmails” > .qmail-root
echo “adminmails” > .qmail-postmaster
echo “adminmails” > .qmail-abuse
chmod 644 ~alias/.qmail*
su – adminmails
/var/qmail/bin/maildirmake ~/Maildir
————-
Make a script /var/qmail/rc with following contents
########
#!/bin/sh
# Using stdout for logging
# Using control/defaultdelivery from qmail-local to deliver messages by default
exec env – PATH=”/var/qmail/bin:$PATH” \
qmail-start “`cat /var/qmail/control/defaultdelivery`”
########
chmod 755 /var/qmail/rc
echo ./Maildir/ >/var/qmail/control/defaultdelivery
Linking Qmail to sendmail binaries
——————————————-
chmod 000 /usr/lib/sendmail ### Only if sendmail exist
chmod 000 /usr/sbin/sendmail ### Only if sendmail exist
mv /usr/lib/sendmail /usr/lib/sendmail.bak ### Only if sendmail exist
mv /usr/sbin/sendmail /usr/sbin/sendmail.bak ### Only if sendmail exist
ln -s /var/qmail/bin/sendmail /usr/lib/sendmail
ln -s /var/qmail/bin/sendmail /usr/sbin/sendmail
Install ucspi-tcp
——————
tar -xzvf ucspi-tcp-0.88.tar.gz
cd ucspi-tcp-0.88
patch < /usr/local/netqmail-1.06/other-patches/ucspi-tcp-0.88.errno.patch
make
make setup check
Install checkpassword
—————————
cd /usr/local
tar -xzvf checkpassword-0.90.tar.gz
cd checkpassword-0.90
patch < /usr/local/netqmail-1.06/other-patches/checkpassword-0.90.errno.patch
make
make setup check
Install daemontools
————————
tar -xzvf daemontools-0.76.tar.gz
cd /package/admin/daemontools-0.76/src
patch < /usr/local/netqmail-1.06/other-patches/daemontools-0.76.errno.patch
cd ..
package/install
qmailctl
————
cd /var/qmail/bin/
wget http://lifewithqmail.org/qmailctl-script-dt70
mv -iv qmailctl-script-dt70 qmailctl
chmod 755 /var/qmail/bin/qmailctl
ln -s /var/qmail/bin/qmailctl /usr/bin
qmail-send & qmail-smtpd scripts & qmail-pop3d-> run/log
———————————————-
mkdir -p /var/qmail/supervise/qmail-send/log
mkdir -p /var/qmail/supervise/qmail-smtpd/log
mkdir -p /var/qmail/supervise/qmail-pop3d/log
1,make file /var/qmail/supervise/qmail-send/run with below given content
##########
#!/bin/sh
exec /var/qmail/rc
##########
2,make file /var/qmail/supervise/qmail-send/log/run with below given content
###########
#!/bin/sh
exec /usr/local/bin/setuidgid qmaill /usr/local/bin/multilog t /var/log/qmail
###########
3,make file /var/qmail/supervise/qmail-smtpd/run with below given content
###########
#!/bin/sh
QMAILDUID=`id -u qmaild`
NOFILESGID=`id -g qmaild`
MAXSMTPD=`cat /var/qmail/control/concurrencyincoming`
LOCAL=`head -1 /var/qmail/control/me`
if [ -z “$QMAILDUID” -o -z “$NOFILESGID” -o -z “$MAXSMTPD” -o -z “$LOCAL” ]; then
echo QMAILDUID, NOFILESGID, MAXSMTPD, or LOCAL is unset in
echo /var/qmail/supervise/qmail-smtpd/run
exit 1
fi
if [ ! -f /var/qmail/control/rcpthosts ]; then
echo “No /var/qmail/control/rcpthosts!”
echo “Refusing to start SMTP listener because it’ll create an open relay”
exit 1
fi
exec /usr/local/bin/softlimit -m 9000000 \
/usr/local/bin/tcpserver -v -R -l “$LOCAL” -x /etc/tcp.smtp.cdb -c “$MAXSMTPD” \
-u “$QMAILDUID” -g “$NOFILESGID” 0 smtp /var/qmail/bin/qmail-smtpd 2>&1
###########
echo 20 > /var/qmail/control/concurrencyincoming
chmod 644 /var/qmail/control/concurrencyincoming
4,Make file /var/qmail/supervise/qmail-smtpd/log/run with below given content
#########
#!/bin/sh
exec /usr/local/bin/setuidgid qmaill /usr/local/bin/multilog t /var/log/qmail/smtpd ##
#########
5,Make file /var/qmail/supervise/qmail-pop3d/run with below given content
########
#!/bin/sh exec /usr/local/bin/tcpserver -H -R -v -c100 0 110 /var/qmail/bin/qmail-popup server.domain.com \ /home/vpopmail/bin/vchkpw /var/qmail/bin/qmail-pop3d Maildir 2>&1
#######
6,make a file /var/qmail/supervise/qmail-pop3d/log/run ######## #!/bin/sh exec /usr/local/bin/setuidgid qmaill /usr/local/bin/multilog t s100000 n20 /var/log/qmail/qmail-pop3d 2>&1
########
mkdir -p /var/log/qmail/smtpd
mkdir -p /var/log/qmail/pop3d
chown qmaill /var/log/qmail
chown qmaill /var/log/qmail/smtpd
chown qmail /var/log/qmail/pop3d
chmod 755 /var/qmail/supervise/qmail-send/run
chmod 755 /var/qmail/supervise/qmail-send/log/run
chmod 755 /var/qmail/supervise/qmail-smtpd/run
chmod 755 /var/qmail/supervise/qmail-smtpd/log/run
chmod 755 /var/qmail/supervise/qmail-pop3d/run
chmod 755 /var/qmail/supervise/qmail-pop3d/log/run
ln -s /var/qmail/supervise/qmail-send /service/qmail-send
ln -s /var/qmail/supervise/qmail-smtpd /service/qmail-smtpd
ln -s /var/qmail/supervise/qmail-pop3d /service/qmail-pop3d
Install Vpopmail
——————-
groupadd vchkpw
useradd -g vchkpw vpopmail
tar -xzvf vpopmail-5.4.30.tar.gz
cd vpopmail-5.4.30
./configure
make
make install-strip
Install Dovecot
——————
useradd dovecot
tar -xzvf dovecot-1.2.11.tar.gz
cd dovecot-1.2.11
./configure –with-ioloop=IOLOOP –with-notify=NOTIFY –with-ssl=openssl –with-passwd –with-passwd-file –with-shadow –with-pam –with-checkpassword –with-vpopmail –with-static-userdb
make
make install
Cert Generation
cd /usr/local/src/build/dovecot-1.2.5/doc/
sh mkcert.sh
make file /etc/pam.d/dovecot with the below content
auth required pam_unix.so nullok
account required pam_unix.so
Get Dovecot configuration file
wget 216.67.251.5/qmail/dovecot.conf -O /usr/local/etc/dovecot.conf
id -u vpopmail #### this will print out the userID
first_valid_uid = VPOPUID #### replace VPOPUID with user Id from the above command
Get dovecot startup script
wget http://216.67.251.5/qmail/dovecot-start -O /etc/init.d/dovecot
chmod 755 /etc/init.d/dovecot
/etc/init.d/dovecot start
qmailctl stop
qmailctl start
/etc/init.d/dovecot restart
Useful Commands
##############
qmailctl start
qmailctl stop
qmailctl reload —> use this command after making changes in qmail configuration files
/var/qmail/bin/qmail-showctl —> check the status of qmail
/var/qmail/control/rcpthosts —> contains list of domain names that a qmail server is allowed to send/receive emails with out SMTP authentication.
/etc/tcp.smtp → relaying options
type the foolowing command after making changes in cp.smtp
tcprules /etc/tcp.smtp.cdb /etc/tcp.smtp.tmp < /etc/tcp.smtp
To add a domain in qmail server
/home/vpopmail/bin/vadddomain userdomain
to add a mail account
/home/vpopmail/bin/vadduser mailaccount
To send mail
echo to” tester2mail@gmail.com | /var/qmail/bin/qmail-inject
Log files
=======
var/log/qmail/current
/var/logqmail/smtpd/current
Errors
=====
1,If you find any error with smtp-auth
Try to apply the patch
wget http://members.elysium.pl/brush/qmail-smtpd-auth/dist/qmail-smtpd-auth-0.31.tar.gz
tar -xvzf qmail-smtpd-auth-0.31.tar.gz
cd qmail-smtpd-auth-0.31
patch -d ‘qmail installing directory’ < auth.patch
2,while compiling qmail if you find any error related to errno.h,follow the steps
Replace “extern int errno;” with “#include <errno.h>” in error.h
Please note: you can download thefollowing script and check whether you instalation is correct.
==========
wget http://lifewithqmail.org/inst_check
==========
run the script from the shell if the installtion is correct, you will get a message like your installtion looks good.
vishnulinux 