Sendmail not stating, some errors

While starting sendmail am getting some errors, and i can't see port 25 is opened.

[root@ip-10-190-51-120 ~]# /etc/init.d/sendmail start
Starting sendmail: -bd is not supported by sSMTP
                                                           [  OK  ]
[root@ip-10-190-51-120 ~]#

Fix: Uninstall ssmtp from the server

[root@ip-10-190-51-120 ~]# rpm -qa | grep ssmtp
ssmtp-2.61-19.el6.x86_64
[root@ip-10-190-51-120 ~]# rpm -e ssmtp-2.61-19.el6.x86_64
warning: /etc/ssmtp/ssmtp.conf saved as /etc/ssmtp/ssmtp.conf.rpmsave
[root@ip-10-190-51-120 ~]# rpm -qa | grep ssmtp
[root@ip-10-190-51-120 ~]#

This helps to solve this issue.