When creating a user with useradd -M, the selinux context on the user's mail spool is incorrect.

Issue

• When creating a user with useradd -M, the selinux context on the user's mail spool is incorrect.
• Upon creating a user with -M option, the user's mail spool is getting created with SELinux type etc_t.
• Here is complete terminal output:

[root@localhost ~]# rpm -qa | grep shadow-utils
shadow-utils-4.1.4.2-19.el6_6.1.x86_64

[root@localhost ~]# rpm -qa | grep selinux-policy
selinux-policy-3.7.19-279.el6_7.8.noarch
selinux-policy-targeted-3.7.19-279.el6_7.8.noarch

[root@localhost ~]# ls -lZ /var/spool/mail/
-rw-------. root   mail system_u:object_r:mail_spool_t:s0 root
-rw-rw----. rpc    mail unconfined_u:object_r:mail_spool_t:s0 rpc
-rw-rw----. suresh mail unconfined_u:object_r:mail_spool_t:s0 suresh
-rw-rw----. user   mail unconfined_u:object_r:mail_spool_t:s0 user

[root@localhost ~]# useradd -M testuser

[root@localhost ~]# ls -lZ /var/spool/mail/
-rw-------. root     mail system_u:object_r:mail_spool_t:s0 root
-rw-rw----. rpc      mail unconfined_u:object_r:mail_spool_t:s0 rpc
-rw-rw----. suresh   mail unconfined_u:object_r:mail_spool_t:s0 suresh
-rw-rw----. testuser mail system_u:object_r:etc_t:s0       testuser
-rw-rw----. user     mail unconfined_u:object_r:mail_spool_t:s0 user

• The context should be mail_spool_t