[CentOS] Centos 4 / Postfix / SMTP

[bards1888]

Nigel Kendrick wrote:

>-----Original Message-----
>From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On Behalf
>Of Chris Mauritz
>Sent: 09 May 2005 13:36
>To: CentOS mailing list
>Subject: Re: [CentOS] Centos 4 / Postfix / SMTP
>
>
>Nigel Kendrick wrote:
>
>  
>
>>I've just installed Centos 4 on an Acer G310 server - everything's gone 
>>well except I'm not able to SMTP connect to my upstream mail server 
>>(I've installed postfix + MailScanner) - I managed to find sort out the 
>>dovecot side of things but SMTP remains quite silent - the maillog 
>>shows an attempted connect but then a timeout:
>>
>>May  9 13:08:45 woking postfix/smtp[7895]: deliver_request_final: send: 
>>"connect to mailhost.zen.co.uk[212.23.3.98]: Connection timed out" -1
>>
>>If I connect manually (telnet mailhost.zen.co.uk 25) nothing happens - 
>>no response is shown and I presume if I left things for long enough I'd 
>>see a timeout message? Here's the output from netstat -pant:
>>
>> 
>>
>>    
>>
>
>Do you have the firewall turned on and filtering port 25?  If you can't 
>telnet to the remote host port manually then you're getting filtered 
>either on your host or on the remote host.
>
>Cheers,
>
>C
>
>Nope - no firewall - I've just double checked:
>
>[root at woking ~]# chkconfig --list | grep ip
>iptables        0:off   1:off   2:off   3:off   4:off   5:off   6:off
>
>Nigel
>
>
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>  
>
That only confirms that the service is not configured to auto-start
(which I agree, should me it is not running) but you may want to confirm
this by running something like 'iptables -L'


Cheers,


Bards.