QQ.COM往服务器发送邮件时，被退回，提示：已被APF server或slockd的RBL拦截

解决方法：添加到白名单

[root@mail config]# pwd
/usr/local/slockd/config
[root@mail config]# ll
total 40
-rw-r–r–. 1 root root 4062 Apr 16  2006 blacklist
-rw-r–r–. 1 root root  703 Oct 19 19:00 main.cf
-rw-r–r–. 1 root root 2634 Oct 20 00:03 plugin.cf
-rw-r–r–. 1 root root  340 Sep 14  2006 recip_blacklist
-rw-r–r–. 1 root root  332 Sep 14  2006 recip_whitelist
-rw-r–r–. 1 root root  340 Sep 14  2006 sender_blacklist
-rw-r–r–. 1 root root  332 Sep 14  2006 sender_whitelist
-rw-r–r–. 1 root root  237 Jun  3  2009 spamtrap_list
-rw-r–r–. 1 root root 5937 Oct 20 00:10 whitelist
[root@mail config]#
添加一行qq.com即可，然后重启slockd

[root@mail config]# /usr/local/slockd/slockd-init restart