mysql-libs版本冲突卸载不了

问题：

卸载mysql-libs时候出现如下依赖性无法卸载

[root@mail yum.repos.d]# rpm -e mysql-libs
error: Failed dependencies:
libmysqlclient.so.16()(64bit) is needed by (installed) postfix-2:2.6.6-2.2.el6_1.x86_64
libmysqlclient.so.16(libmysqlclient_16)(64bit) is needed by (installed) postfix-2:2.6.6-2.2.el6_1.x86_64
mysql-libs is needed by (installed) postfix-2:2.6.6-2.2.el6_1.x86_64

解决方法：

使用参数--nodeps 卸载组件