Re: Failed to open connection to SMTP server

check if you have activated iptables , desactivate iptable in setup 
command or /etc/rc.d/init.d/iptables stop and probe if can sent 
mail....also check port side out you computer from other pc...

hailong.li wrote:

>Hi there,
>My OS is redhat linux 7.2. When I tried to send email out
>with webmail, it could not, and I got " Failed to open
>connection to SMTP server {NULL}". I checked the port SMTP
>25, it is open.
>Any suggestion will be appreciated!
>Hailong
>
>Hailong Li
>System Analyst/Programmer
>Office of Information Technology
>Jackson State University
>phone: (601)979-1090
>email: [email protected]
>
>
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