Comments on: Postfix SMTP Server Setup Howto for RHEL/CentOS 5

By: consultant

consultant — Sat, 15 Aug 2009 22:10:59 +0000

Hi waroffice,

Please check the log file at /var/log/maillog

By: waroffice

waroffice — Sat, 15 Aug 2009 12:27:55 +0000

hi, i cant seem to get the SMTP to connect properly, it will connect to the port but i dont get communication.

[root@colo /]# telnet localhost smtp
Trying 127.0.0.1…
Connected to localhost.localdomain (127.0.0.1).
Escape character is ‘^]’.
^]
telnet> q
Connection closed.

any one know of why.

By: Maddy

Maddy — Fri, 31 Jul 2009 15:16:51 +0000

Disabling Exim did the trick. Thanks!!

By: consultant

consultant — Fri, 31 Jul 2009 15:11:59 +0000

Hi Maddy,

Dovecot has nothing to do with it, something else is probably using port 25 like Sendmail or Exim. Whatever it is, you need to disable it so Postfix can run properly.

By: Maddy

Maddy — Fri, 31 Jul 2009 14:14:27 +0000

First off, EXCELLENT guide, especially for beginners like myself!!

Due to my own shortcomings, I’m running into some trouble at Step 2.

Everything seems to work perfectly up until I actually check to see if the mail was sent. There is nothing in /home/username/Maildir/new, and checking /var/log/maillog, I get the error:

Xenon postfix/master[2949]: fatal: bind 127.0.0.1 port 25: Address is already in use

I’m not sure how/if I can change the IP in dovecot.conf to allow my mail to be sent, or what I should do to fix this problem. I’m also using dovecot, not sure if that changes anything.

Thanks!

By: Bhaskar Chowdhury

Bhaskar Chowdhury — Fri, 10 Jul 2009 13:54:57 +0000

once I started the postfix daemon and it says [done] and then if I check the status of it it says [dead]!!

It happens on openSuse10.3

pls throw some light.

By: mahesh

mahesh — Mon, 22 Jun 2009 04:58:35 +0000

sir
i want full metirial with linux server configuration and telnet configuration in linux

thank u sir

By: mahesh

mahesh — Mon, 22 Jun 2009 04:57:12 +0000

hello sir good morning
my name is mahesh from ap
sir i have a problem with telnet in centos 5
that problem is connection port 23 error
please solve my problem

than k u sir

By: Steve

Steve — Sat, 23 May 2009 10:51:53 +0000

Eventually, I was able to receive mail from outside. I think it was the inet_interfaces = all. I had another entry a few lines down and I guess it was overriding the = all entry. Also, I set mydomain, myhostname, mynetworks, myorigin and in my /etc/hosts file I moved the host.domain from the localhost line to a line with the host IP address.

By: Steve

Steve — Sat, 23 May 2009 04:49:37 +0000

Also, I forgot to add that when I make a message with telnet, it shows in the /var/log/maillog, but when I send a message from gmail, nothing shows in the /var/log/maillog (no error, nothing).