postfix邮件+ClamAV+Amavisd-new+SpamAssassin（配置内容，防毒过滤）

原文：http://www.weiruoyu.cn/?p=648
这个是官网的教程，跟着做即可：
http://wiki.extmail.org/%E5%8D%81%E4%BA%8C%E3%80%81%E9%85%8D%E7%BD%AE%E5%86%85%E5%AE%B9%E3%80%81%E7%97%85%E6%AF%92%E8%BF%87%E6%BB%A4 http://wiki.extmail.org/extmail_solution_for_linux
http://www.google.com.hk/search?hl=zh-CN&newwindow=1&safe=strict&client=firefox-a&hs=Yaj&rls=org.mozilla%3Azh-CN%3Aofficial&q=%E9%85%8D%E7%BD%AE%E5%86%85%E5%AE%B9%E3%80%81%E7%97%85%E6%AF%92%E8%BF%87%E6%BB%A4&oq=%E9%85%8D%E7%BD%AE%E5%86%85%E5%AE%B9%E3%80%81%E7%97%85%E6%AF%92%E8%BF%87%E6%BB%A4&aq=f&aqi=&aql=&gs_sm=e&gs_upl=202317l202317l0l202967l1l1l0l0l0l0l0l0ll0l0
报错：
1.
The amavisd daemon is apparently not running, no PID file /var/spool/vscan/var/amavisd.pid
原因：配置文件路径些错。
修改vi /etc/amavisd/amavisd.conf为：
$lock_file = "$MYHOME/amavisd.lock"; # -L

$pid_file = "$MYHOME/amavisd.pid"; # -P

即可。
重新启动postfix，和amavisd，如果还不行就重启就可以好了。