作者：webmaster 最近公司要开展虚拟主机业务，需要在一台mail服务器上绑定多个域名，于是呢，就想到qmail这位老人家了，照ideal的方法有点问题，就只好去看老外的life with qmail了，hehe 现在大约讲讲我的安装过程: 如果系统运行着sendmail就要把sendmail的守护进程杀掉，然后抓了qmail1.03.tar.gz,UCspi-tcp-0.88.tar.gz,daemontools-0.70.tar.gz这三个包，把他们扔/usr/local/src下面解压开，然后要建一些必要的目录 cd qmail-1.03 mkdir /var/qmail ln -s /usr/man /var/qmail/man mkdir /etc/qmail ln -s /etc/qmail /var/qmail/control ln -s /usr/sbin /var/qmail/bin 接着建安装qmail需要的组和用户: groupadd nofiles useradd alias -g nofiles -d /var/qmail/alias -s /nonexistent useradd qmaild -g nofiles -d /var/qmail -s /nonexistent useradd qmaill -g nofiles -d /var/qmail -s /nonexistent useradd qmailp -g nofiles -d /var/qmail -s /nonexistent groupadd qmail useradd qmailq -g qmail -d /var/qmail -s /nonexistent useradd qmailr -g qmail -d /var/qmail -s /nonexistent useradd qmails -g qmail -d /var/qmail -s /nonexistent 然后开始编译qmail: make setup check 接着就配置域名了(这个需要你的机器域名能在dns上找到): ./config(如果确定域名没错，也可以用./config-fast hostname.domainname) 然后要编译ucspi-tcp: 进入刚才ucspi-tcp解开的目录，执行: make make setup check 接着编译daemontools,也是进入解压的目录，执行 make make setup check 下来就开始写一些qmail执行必须的脚本了，先是 vi /var/qmail/rc 脚本内容是： #!/bin/sh # Using stdout for logging # Using control/defaultdelivery from qmail-local to deliver messages by default exec env - PATH="/var/qmail/bin:$PATH" qmail-start "`cat /var/qmail/control/defaultdelivery`" 最后 chmod 755 /var/qmail/rc echo ./Maildir/ >/var/qmail/control/defaultdelivery(我用的是Maildir) 然后就是log文件了: mkdir /var/log/qmail mkdir -p /var/qmail/supervise/qmail-send/log mkdir -p /var/qmail/supervise/qmail-smtpd/log chmod +t /var/qmail/supervise/qmail-send chmod +t /var/qmail/supervise/qmail-smtpd 建立/var/qmail/supervise/qmail-send/run文件,内容为： #!/bin/sh exec /var/qmail/rc 建立/var/qmail/supervise/qmail-send/log/run文件，内容为: #!/bin/sh exec /usr/local/bin/setuidgid qmaill /usr/local/bin/multilog t /var/log/qmail 建立/var/qmail/supervise/qmail-smtpd/run文件，内容: #!/bin/sh QMAILDUID=`id -u qmaild` NOFILESGID=`id -g qmaild` MAXSMTPD=`cat /var/qmail/control/concurrencyincoming` exec /usr/local/bin/softlimit -m 2000000 /usr/local/bin/tcpserver -v -p -x /etc/tcp.smtp.cdb -c "$MAXSMTPD" -u "$QMAILDUID" -g "$NOFILESGID" 0 smtp /var/qmail/bin/qmail-smtpd 2>&1 建立/var/qmail/supervise/qmail-smtpd/log/run文件，内容: #!/bin/sh exec /usr/local/bin/setuidgid qmaill /usr/local/bin/multilog t /var/log/qmail/smtpd 把以上四个run文件chmod 755 然后执行: echo 20 > /var/qmail/control/concurrencyincoming chmod 644 /var/qmail/control/concurrencyincoming 来建立qmail必须的concurrencyincoming文件 同时建立标准的log目录: mkdir -p /var/log/qmail/smtpd chown qmaill /var/log/qmail /var/log/qmail/smtpd 最关键的一步是建立qmail控制脚本,建立/etc/rc.d/init.d/qmail这个文件，内容: 脚本的HELP那块有些折行，尽量把他们弄一行. #!/bin/sh PATH=/var/qmail/bin:/usr/local/bin:/usr/bin:/bin eXPort PATH case "$1" in start) echo -n "Starting qmail: svscan" cd /var/qmail/supervise env - PATH="$PATH" svscan & echo $! > /var/run/svscan.pid echo "." ;; stop) echo -n "Stopping qmail: svscan" kill `cat /var/run/svscan.pid` echo -n " qmail" svc -dx /var/qmail/supervise/* echo -n " logging" svc -dx /var/qmail/supervise/*/log echo "." ;; stat) cd /var/qmail/supervise svstat * */log ;; doqueuealrm) echo "Sending ALRM signal to qmail-send." svc -a /var/qmail/supervise/qmail-send ;; queue) qmail-qstat qmail-qread ;; reloadhup) echo "Sending HUP signal to qmail-send." svc -h /var/qmail/supervise/qmail-send ;; pause) echo "Pausing qmail-send" svc -p /var/qmail/supervise/qmail-send echo "Pausing qmail-smtpd" svc -p /var/qmail/supervise/qmail-smtpd ;; cont) echo "Continuing qmail-send" svc -c /var/qmail/supervise/qmail-send echo "Continuing qmail-smtpd" svc -c /var/qmail/supervise/qmail-smtpd ;; restart) echo "Restarting qmail:" echo "* Stopping qmail-smtpd." svc -d /var/qmail/supervise/qmail-smtpd echo "* Sending qmail-send SIGTERM and restarting." svc -t /var/qmail/supervise/qmail-send echo "* Restarting qmail-smtpd." svc -u /var/qmail/supervise/qmail-smtpd ;; cdb) tcprules /etc/tcp.smtp.cdb /etc/tcp.smtp.tmp < /etc/tcp.smtp chmod 644 /etc/tcp.smtp* echo "Reloaded /etc/tcp.smtp." ;; help) cat < stop -- stops mail service (smtp connections refused, nothing goesout) start -- starts mail service (smtp connection accepted, mail cangoout) pause -- temporarily stops mail service (connections accepted,nothing leaves) cont -- continues paused mail service stat -- displays status of mail service cdb -- rebuild the tcpserver cdb file for smtp restart -- stops and restarts smtp, sends qmail-send a TERM &restarts it doqueue -- sends qmail-send ALRM, scheduling queued messages fordelivery reload -- sends qmail-send HUP, rereading locals and virtualdomains queue -- shows status of queue alrm -- same as doqueue hup -- same as reload HELP ;; *) echo "Usage: $0 {startstoprestartdoqueuereloadstatpausecontcdbqueuehelp}" exit 1 ;; esac exit 0 然后建立软连接让各个启动级别能不同的需要使用qmail控制脚本 ln -s qmail /etc/rc.d/rc0.d/K30qmail ln -s qmail /etc/rc.d/rc1.d/K30qmail ln -s qmail /etc/rc.d/rc2.d/S80qmail ln -s qmail /etc/rc.d/rc3.d/S80qmail ln -s qmail /etc/rc.d/rc4.d/S80qmail ln -s qmail /etc/rc.d/rc5.d/S80qmail ln -s qmail /etc/rc.d/rc6.d/K30qmail 然后就要建立qmail的访问控制文件了,执行 echo '127.:allow,RELAYCLIENT=""' >>/etc/tcp.smtp /etc/rc.d/init.d/qmail cdb 如果不要旧的sendmail就用rpm -e --nodeps sendmail反安装吧。 然后用qmail的一些库文件替换掉旧的sendmail: mv /usr/lib/sendmail /usr/lib/sendmail.old mv /usr/sbin/sendmail /usr/sbin/sendmail.old chmod 0 /usr/lib/sendmail.old /usr/sbin/sendmail.old ln -s /var/qmail/bin/sendmail /usr/lib ln -s /var/qmail/bin/sendmail /usr/sbin 接着建立系统的一些alias(比如我要用grind来起qmail): echo grind > /var/qmail/alias/.qmail-root echo grind > /var/qmail/alias/.qmail-postmaster ln -s .qmail-postmaster /var/qmail/alias/.qmail-mailer-daemon chmod 644 /var/qmail/alias/.qmail-root chmod 644 /var/qmail/alias/.qmailpostmaster 最后就能用/etc/rc.d/init.d/qmail start来启动qmail了。 接下去的绑定多域名就靠vpopmail来了，vpopmail能实现系统用户和邮件用户的分离，安装过程如下: 先建立vpopmail的用户和组： groupadd vchkpw useradd -g vchkpw vpopmail -d /home/vpopmail 然后建立访问控制文件: 设
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