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  #1  
Old 12th July 2007, 13:06
knivla knivla is offline
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Default Undelivered Mail Returned to Sender

hi to all


This is the mail system at host dns1.domain.edu.ph.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

<usermail@yahoo.com>: Host or domain name not found. Name service error for
name=yahoo.com type=A: Host found but no data record of requested type


i can recieve from yahoo mail. but i can't send...


waiting for reply
knivla

Last edited by knivla; 18th July 2007 at 04:45.
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  #2  
Old 13th July 2007, 14:08
falko falko is offline
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Default

What's in /etc/resolv.conf?
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  #3  
Old 14th July 2007, 12:53
knivla knivla is offline
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Default cat /etc/resolv.conf, big thanks falko, you made me linux user.

[root@dns1 postfix]# cat /etc/resolv.conf
search domain.edu.ph
nameserver 203.160.160.1
nameserver 203.160.160.2

Last edited by knivla; 18th July 2007 at 04:46.
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  #4  
Old 14th July 2007, 13:15
knivla knivla is offline
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Default Step by step problem

hi falko,

this is my problem. i fallowed the perfect Server 4.5 centos. everything works fine. i can send mail to internet and received.
i need to setup a mailscanner and the requirements is
sh postfix-chroot.sh enable
and i cant find the /etc/postfix/postfix-chroot.sh, so i download the rpm postfix-2.4.3-1.rhel4.i386.rpm & installed it. now the postfix-chroot.sh appear in /etc/postfix/postfix-chroot.sh and run the chroot script


[root@dns1 tmp]# rpm -Uvh postfix-2.4.3-1.rhel4.i386.rpm
Preparing... ########################################### [100%]
1ostfix ########################################### [100%]
postfix/postfix-script: warning: /var/spool/postfix/etc/passwd and /etc/passwd differ
warning: /usr/lib/sasl2/smtpd.conf saved as /usr/lib/sasl2/smtpd.conf.rpmsave


and telnet. no more plain login


[root@dns1 tmp]# telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
220 dns1.domain.edu.ph ESMTP Postfix
ehhlo locahost
502 5.5.2 Error: command not recognized
ehlo localhost
250-dns1.domain.edu.ph
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN


all i notice is plain login is missing now.

can i install the mailscanner without using the chroot ?if will, no need to update the postfix


waiting for reply
knivla

Last edited by knivla; 18th July 2007 at 04:45.
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  #5  
Old 15th July 2007, 14:06
falko falko is offline
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Default

Quote:
Originally Posted by knivla
[root@dns1 postfix]# cat /etc/resolv.conf
search ndtc.edu.ph
nameserver 203.160.160.1
nameserver 203.160.160.2
Please try
Code:
nameserver 145.253.2.75
nameserver 193.174.32.18
instead.
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  #6  
Old 16th July 2007, 12:44
knivla knivla is offline
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Default + Undelivered Mail Returned to Sender

Reporting-MTA: dns; dns1.domain.edu.ph
X-Postfix-Queue-ID: 9D3C81E40086
X-Postfix-Sender: rfc822; alvin@dns1.domain.edu.ph
Arrival-Date: Mon, 16 Jul 2007 17:34:23 +0800 (PHT)

Final-Recipient: rfc822; user@yahoo.com
Original-Recipient: rfc822;user@yahoo.com
Action: failed
Status: 5.4.4
Diagnostic-Code: X-Postfix; Host or domain name not found. Name service error
for name=yahoo.com type=A: Host found but no data record of requested type

Last edited by knivla; 18th July 2007 at 04:46.
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  #7  
Old 17th July 2007, 18:30
falko falko is offline
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Default

What are the outputs of
Code:
dig yahoo.com
ping -c4 yahoo.com
ping -c4 216.109.112.135
ifconfig
?
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