[CentOS] Postfix (Roundcube client) sends mail, but not able to receive

Wed Mar 13 23:42:25 UTC 2013
Austin Einter <austin.einter at gmail.com>

Dear Robert
I have a bigger problem.

sendmail was running previously. thats the reason I was able to send mail.
Mow did chkconfig off for sendmail.

Now postfix is running.

Both send/recv not working now.

While sending mail from roundcuble it says "connection to server failed".

regards
-austin









On Thu, Mar 14, 2013 at 4:47 AM, Robert Moskowitz <rgm at htt-consult.com>wrote:

>
> On 03/13/2013 07:03 PM, Austin Einter wrote:
>
>> Dear All
>> I have some basic doubts.
>>
>> 1. Do I need to run postfix like  /etc/init.d/postfix restart
>> 2. What I found it , it is starting.., but when I check immediately ps -ef
>> | grep postfix, I do not see any postfix process running.
>>
>
> In Centos we still have the service command, and it works well with
> services like postfix.  So you start, restart, and stop with:
>
> service postfix start/stop/restart/status
>
> Note that at some point, probably Centos 7, 'service' is going away.
>
> Oh, and:
>
> chkconfig --list|grep postfix
>
> It should be on for all run levels if not:
>
> chkconfig postfix on
>
>
>  3. Is there any system config file, where I need to mention system need to
>> run postfix not sendmail....
>>
>
> Did you install sendmail?
>
> grep sendmail /root/install.log
>
> service sendmail status
>
> chkconfig --list|grep sendmail
>
>
>
>  4. If postfix is not running, how am I able to send mails out....
>>
>
> check to see what is running.
>
>
>  5. I read some "make sure port 25 does not relay mails", can somebody
>> explain more in this regard and how do I stop port 25 relaying mails...
>>
>
> Read to Postfix docs on this first then ask questions.  Do a google
> search.  This is something you need to know about.  the campworld howto
> sets you up safe.  If you got all of his stuff done.
>
>
>