Magento SMTP – “could not open socket”

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SMTP message – “could not open socket” error

This is due to the Zend framework used in Magento 1

There are two possible reasons for this problem

1. OpenSSL is not installed

Use the phpinfo module to see if OpenSSL is installed

2. Firewall problem´╝ł Close the firewall)

View firewall status:

[ root@centos6 ~]# service iptables status

Iptables: firewall is not running

Open firewall:

[ root@centos6 ~]# service iptables start

Turn off firewall:

[ root@centos6 ~]# service iptables stop

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