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Old 08-21-2008, 01:15 AM   #1
Registered: Mar 2008
Location: Disney World
Distribution: CentOS
Posts: 50

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Mail server questions


I have some questions regarding mail-servers. This is my first attempt, so some of the concepts confusion me.

These are the settings:

server:, dns,www working, sendmail as mail server.
server fqdn,
MX :

sendmail config in server.:
some of the necessary changes i made in access,local-hosts, files.

clients :,,168.0.3 sendmail as client.
mentioned the smarthost( and commented the listening on local interface.

I CAN do telnet or mail from any clients to and mails receiving in server.

But i don't know how to make this server as a centralized mail server.

whenever i send mail to server user account i should mention from (any client)

how do I make a centralized mailing system. what should implement in

Thanks in advance

Last edited by Tinkster; 08-21-2008 at 02:15 AM. Reason: doubt != question
Old 08-22-2008, 11:16 AM   #2
Registered: Sep 2007
Location: SF Bay Area, CA
Distribution: CentOS, SLES 10+, RHEL 3+, Debian Sarge
Posts: 159

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Its a bit hard to help you if you don't know what you want, as sendmail can be very simple or very complicated. Take some time and read the following and familiarize yourself with sendmail and some basic SMTP/mail server concepts, and post questions here when you have them:
Old 08-22-2008, 11:36 AM   #3
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Registered: Oct 2005
Location: Northeast Ohio
Distribution: linuxdebian
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If I get the jist of what you are asking.... you probably need to add POP or IMAP access to the server so users can retrieve mail using Thunderbird, Evolution, outlook, etc..

Look at:
Cyrus IMAP -
Courier IMAP -
Dovecot -
Old 08-23-2008, 04:26 PM   #4
Registered: Mar 2008
Location: Disney World
Distribution: CentOS
Posts: 50

Original Poster
Rep: Reputation: 15
Thanks for your comments. Yes your absolutely correct. I installed dovecot,squirrelmail and now my problem solved.
One more question.
The imap actually deny the root user. so how do i configure webmail(squirrelmail) as an admin ? i couldn't find, every thing i did through rpm files
Once again thanks.
Old 08-24-2008, 12:26 AM   #5
Registered: Mar 2008
Location: Disney World
Distribution: CentOS
Posts: 50

Original Poster
Rep: Reputation: 15
Yes i got the information from


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