Name service error for name

Question

Level 1

23 points

Name service error for name

Hello all -- I'm having a weird error and mail stuck in the queue when users here in the office use webmail. Mail gets sent normally when using a email client like outlook or apple mail. Any ideas? I did recently tighten up the spam filter, but turning that off doesn't help.

Welcome to Darwin!
Metro-Web-Server:~ tbush$ postconf -n
command_directory = /usr/sbin
config_directory = /etc/postfix
content_filter = smtp-amavis:[127.0.0.1]:10024
daemon_directory = /usr/libexec/postfix
debug peerlevel = 2
html_directory = no
inet_interfaces = all
local recipientmaps = proxy:unix:passwd.byname $alias_maps
luser_relay =
mail_owner = postfix
mailbox sizelimit = 0
mailbox_transport = cyrus
mailq_path = /usr/bin/mailq
manpage_directory = /usr/share/man
maps rbldomains =
mydestination = $myhostname,localhost.$mydomain,localhost, ***.***************.com,**************.com
mydomain = *************.com
mydomain_fallback = localhost
myhostname = ***.**************.com
mynetworks = 127.0.0.1/32,192.168.0.3/32
mynetworks_style = host
newaliases_path = /usr/bin/newaliases
queue_directory = /private/var/spool/postfix
readme_directory = /usr/share/doc/postfix
relayhost = smtp. *******.net
sample_directory = /usr/share/doc/postfix/examples
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
smtpd clientrestrictions = permit_mynetworks hash:/etc/postfix/smtpdreject reject rblclient bl. *****.net reject rblclient dnsbl. **.org reject rblclient cbl. *****.org reject rblclient sbl-xbl. *****.org reject rblclient ******.*/spam/no-more-funn/ reject rblclient ********.*******.com permit
smtpd tls_keyfile =
unknown local_recipient_rejectcode = 550
virtual mailboxdomains =
virtual_transport = virtual
Metro-Web-Server:~ tbush$

<Edited by Moderator>

Powermac G4 MDD FW 800, Mac OS X (10.4.8), 1GB RAM 120GB HD

Posted on Jan 22, 2009 6:39 AM

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Answer 1

Tim Bush Author

Level 1

23 points

Jan 22, 2009 12:12 PM in response to Tim Bush

duh ... it might help if I put the error in my question. I've only had one cup of coffee, I'm not awake yet.

Jan 22 08:06:28 Metro-Web-Server postfix/smtp[11654]: F348336026: to=< *********@**********.com>, relay=none, delay=47778, status=deferred (Host or domain name not found. Name service error for name=smtp.earthlink.net type=MX: Host not found, try again)

<Edited by Moderator>

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Answer 2

pterobyte

Level 6

11,104 points

Jan 22, 2009 7:56 AM in response to Tim Bush

Are you sure this log snippet is related to the error while sending through webmail?

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Answer 3

Tim Bush Author

Level 1

23 points

Jan 22, 2009 12:14 PM in response to pterobyte

Yes, I don't get any other errors, (except for the RBL errors denying mail) The only time I get this particular error is right after a user tries to send mail using webmail.

Jan 22 09:59:35 Metro-Web-Server postfix/smtpd[12607]: connect from localhost[127.0.0.1]
Jan 22 09:59:35 Metro-Web-Server postfix/smtpd[12607]: 4162C36EA5: client=localhost[127.0.0.1]
Jan 22 09:59:35 Metro-Web-Server postfix/cleanup[12603]: 4162C36EA5: message-id=<118c7ef314593fede919e194681e99a1@localhost.localdomain>
Jan 22 09:59:35 Metro-Web-Server postfix/qmgr[1428]: 4162C36EA5: from=<bounces+217564.10032505.157227@ ********.com>, size=25405, nrcpt=1 (queue active)
Jan 22 09:59:35 Metro-Web-Server postfix/smtpd[12607]: disconnect from localhost[127.0.0.1]
Jan 22 09:59:35 Metro-Web-Server postfix/smtp[12604]: 74BB436E7A: to=< ****@**************.com>, relay=127.0.0.1[127.0.0.1], delay=27, status=sent (250 2.6.0 Ok, id=11096-06, from MTA: 250 Ok: queued as 4162C36EA5)
Jan 22 09:59:35 Metro-Web-Server postfix/qmgr[1428]: 74BB436E7A: removed
Jan 22 09:59:35 Metro-Web-Server postfix/pipe[12609]: 4162C36EA5: to=< ****@**************.com>, relay=cyrus, delay=0, status=sent ( ***@**************.com)
Jan 22 09:59:35 Metro-Web-Server postfix/qmgr[1428]: 4162C36EA5: removed
Jan 22 10:00:36 Metro-Web-Server postfix/smtpd[12600]: warning: 122.168.61.55: hostname abts-mp-dynamic-055.61.168.122.airtelbroadband.in verification failed: Host not found
Jan 22 10:00:36 Metro-Web-Server postfix/smtpd[12600]: connect from unknown[122.168.61.55]
Jan 22 10:00:37 Metro-Web-Server postfix/smtpd[12600]: NOQUEUE: reject: RCPT from unknown[122.168.61.55]: 554 Service unavailable; Client host [122.168.61.55] blocked using bl. *****.net; Blocked - see http://www.*****.net/bl.shtml?122.168.61.55; from=< ***********@**********.com> to=< **@**************.com> proto=ESMTP helo=<ABTS-MP-dynamic-055.61.168.122.airtelbroadband.in>
Jan 22 10:00:37 Metro-Web-Server postfix/smtpd[12600]: lost connection after DATA from unknown[122.168.61.55]
Jan 22 10:00:37 Metro-Web-Server postfix/smtpd[12600]: disconnect from unknown[122.168.61.55]

<Edited by Moderator>

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Answer 4

pterobyte

Level 6

11,104 points

Jan 22, 2009 8:26 AM in response to Tim Bush

Try and run:
/usr/share/squirrelmail/config/conf.pl

and make sure the server settings reflect your domain name.

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Answer 5

Tim Bush Author

Level 1

23 points

Jan 22, 2009 9:01 AM in response to pterobyte

Server Settings

General
-------
1. Domain : metrosigncenter.com
2. Invert Time : false
3. Sendmail or SMTP : SMTP

A. Update IMAP Settings : localhost:143 (cyrus)
B. Update SMTP Settings : localhost:25

R Return to Main Menu
C Turn color on
S Save data
Q Quit

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Answer 6

pterobyte

Level 6

11,104 points

Jan 22, 2009 9:05 AM in response to Tim Bush

Can you repeat the problem each and every time?
Are your desktop clients sending through port 25 as well or do they use port 587 to bypass filters?

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Answer 7

Tim Bush Author

Level 1

23 points

Jan 22, 2009 9:10 AM in response to pterobyte

Yes, the error repeats when a user tries to send mail using webmail. The message gets stuck in the queue, with the same error message for any user. Client mail uses port 25, with our ISP as the smtp server. smtp.earthlink.net

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Answer 8

pterobyte

Level 6

11,104 points

Jan 22, 2009 9:12 AM in response to Tim Bush

When you issue:
mailq
what error message do you see for those mails?

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Answer 9

Tim Bush Author

Level 1

23 points

Jan 22, 2009 12:16 PM in response to pterobyte

swedekab10 at medicalsale dot com:
Host or domain name not found. Name service error for name=smtp.earthlink.net type=MX: Host not found, try again

<Edited by Moderator>

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Answer 10

pterobyte

Level 6

11,104 points

Jan 22, 2009 11:43 AM in response to Tim Bush

In the long log snippet you posted above, this error does not show.
Can you find the section where the error occurs and post the snippet from when mail gets sent by Squirrelmail to when the error occurs.

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Answer 11

Tim Bush Author

Level 1

23 points

Jan 22, 2009 12:04 PM in response to pterobyte

thanks for your time ... look at the bottom of the copy of the log, that's the error when I retry what's in the mail queue.

Jan 22 13:45:23 Metro-Web-Server postfix/smtpd[14530]: 988AF373DB: client= *****.globalserverhost.net[66.7.202.17]
Jan 22 13:45:23 Metro-Web-Server postfix/cleanup[14533]: 988AF373DB: message-id=<E1LQ5UQ-0003Uj-3l@ *****.globalserverhost.net>
Jan 22 13:45:23 Metro-Web-Server postfix/qmgr[1428]: 988AF373DB: from=< *****@******.globalserverhost.net>, size=2417, nrcpt=1 (queue active)
Jan 22 13:45:23 Metro-Web-Server postfix/smtpd[14530]: disconnect from ******.globalserverhost.net[66.7.202.17]
Jan 22 13:46:50 Metro-Web-Server postfix/smtpd[14545]: connect from localhost[127.0.0.1]
Jan 22 13:46:50 Metro-Web-Server postfix/smtpd[14545]: 4B2D537406: client=localhost[127.0.0.1]
Jan 22 13:46:50 Metro-Web-Server postfix/cleanup[14533]: 4B2D537406: message-id=<E1LQ5UQ-0003Uj-3l@ *****.globalserverhost.net>
Jan 22 13:46:50 Metro-Web-Server postfix/qmgr[1428]: 4B2D537406: from=< *****@******.globalserverhost.net>, size=3064, nrcpt=1 (queue active)
Jan 22 13:46:50 Metro-Web-Server postfix/smtpd[14545]: disconnect from localhost[127.0.0.1]
Jan 22 13:46:51 Metro-Web-Server postfix/pipe[14547]: 4B2D537406: to=< **************@***************.com>, relay=cyrus, delay=1, status=sent ( ***.**************.com)
Jan 22 13:46:51 Metro-Web-Server postfix/qmgr[1428]: 4B2D537406: removed
Jan 22 13:46:51 Metro-Web-Server postfix/smtp[14534]: 988AF373DB: to=< *************@***************.com>, relay=127.0.0.1[127.0.0.1], delay=88, status=sent (250 2.6.0 Ok, id=13840-02, from MTA: 250 Ok: queued as 4B2D537406)
Jan 22 13:46:51 Metro-Web-Server postfix/qmgr[1428]: 988AF373DB: removed
Jan 22 13:49:15 Metro-Web-Server postfix/qmgr[1428]: F348336026: from=, size=2998, nrcpt=1 (queue active)
Jan 22 13:49:26 Metro-Web-Server postfix/smtp[14574]: F348336026: to=< ************@**********.com>, relay=none, delay=68356, status=deferred (Host or domain name not found. Name service error for name=smtp.earthlink.net type=MX: Host not found, try again)

<Edited by Moderator>

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Answer 12

pterobyte

Level 6

11,104 points

Jan 22, 2009 11:56 AM in response to Tim Bush

Flushing or re-queing is not the same. We need to see how the mail enters the queue when sent from the client.
Could you send a new message from webmail and track it? Maybe a couple to recipients in different domains.

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Answer 13

Tim Bush Author

Level 1

23 points

Jan 22, 2009 12:06 PM in response to pterobyte

I'm not sure I understand ... you want me to try again and send another message from webmail and see what happens? from different users? then show you the log results right?

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Answer 14

Tim Bush Author

Level 1

23 points

Jan 22, 2009 12:25 PM in response to Tim Bush

this log copy is from another user, to two different recipients, using the webmail client.

Jan 22 14:05:16 Metro-Web-Server postfix/qmgr[1428]: 3E81B37470: from=< **@**.com>, size=776, nrcpt=1 (queue active)
Jan 22 14:05:16 Metro-Web-Server postfix/smtpd[14691]: disconnect from localhost[127.0.0.1]
Jan 22 14:05:47 Metro-Web-Server postfix/smtpd[14698]: connect from localhost[127.0.0.1]
Jan 22 14:05:47 Metro-Web-Server postfix/smtpd[14698]: 6F3A8374A3: client=localhost[127.0.0.1]
Jan 22 14:05:47 Metro-Web-Server postfix/cleanup[14694]: 6F3A8374A3: message-id=<51753.192.168.0.3.1232654716. **@www.**************.com>
Jan 22 14:05:47 Metro-Web-Server postfix/qmgr[1428]: 6F3A8374A3: from=< **@**************.com>, size=1251, nrcpt=1 (queue active)
Jan 22 14:05:47 Metro-Web-Server postfix/smtpd[14698]: disconnect from localhost[127.0.0.1]
Jan 22 14:05:47 Metro-Web-Server postfix/smtp[14695]: 3E81B37470: to=< **@*****.com>, relay=127.0.0.1[127.0.0.1], delay=31, status=sent (250 2.6.0 Ok, id=13498-03, from MTA: 250 Ok: queued as 6F3A8374A3)
Jan 22 14:05:47 Metro-Web-Server postfix/qmgr[1428]: 3E81B37470: removed
Jan 22 14:05:58 Metro-Web-Server postfix/smtp[14699]: 6F3A8374A3: to=< **@****.com>, relay=none, delay=11, status=deferred (Host or domain name not found. Name service error for name=smtp. *******.net type=MX: Host not found, try again)
Jan 22 14:08:52 Metro-Web-Server postfix/smtpd[14726]: connect from localhost[127.0.0.1]
Jan 22 14:08:52 Metro-Web-Server postfix/smtpd[14726]: C69A0374B8: client=localhost[127.0.0.1]
Jan 22 14:08:52 Metro-Web-Server postfix/cleanup[14728]: C69A0374B8: message-id=<51799.192.168.0.3.1232654932. **@www.**************.com>
Jan 22 14:08:52 Metro-Web-Server postfix/qmgr[1428]: C69A0374B8: from=< **@**************.com>, size=765, nrcpt=1 (queue active)
Jan 22 14:08:52 Metro-Web-Server postfix/smtpd[14726]: disconnect from localhost[127.0.0.1]
Jan 22 14:09:22 Metro-Web-Server postfix/smtpd[14738]: connect from localhost[127.0.0.1]
Jan 22 14:09:22 Metro-Web-Server postfix/smtpd[14738]: 988BB374EC: client=localhost[127.0.0.1]
Jan 22 14:09:22 Metro-Web-Server postfix/cleanup[14728]: 988BB374EC: message-id=<51799.192.168.0.3.1232654932. **@www.**************.com>
Jan 22 14:09:22 Metro-Web-Server postfix/qmgr[1428]: 988BB374EC: from=< **@**************.com>, size=1224, nrcpt=1 (queue active)
Jan 22 14:09:22 Metro-Web-Server postfix/smtpd[14738]: disconnect from localhost[127.0.0.1]
Jan 22 14:09:22 Metro-Web-Server postfix/smtp[14729]: C69A0374B8: to=< **@******.net>, relay=127.0.0.1[127.0.0.1], delay=30, status=sent (250 2.6.0 Ok, id=13840-03, from MTA: 250 Ok: queued as 988BB374EC)
Jan 22 14:09:22 Metro-Web-Server postfix/qmgr[1428]: C69A0374B8: removed
Jan 22 14:09:33 Metro-Web-Server postfix/smtp[14739]: 988BB374EC: to=< **@******.net>, relay=none, delay=11, status=deferred (Host or domain name not found. Name service error for name=smtp.earthlink.net type=MX: Host not found, try again)

<Edited by Moderator>

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Answer 15

pterobyte

Level 6

11,104 points

Jan 22, 2009 12:12 PM in response to Tim Bush

Yes. Although not from different users, but to different recipients.
You said you retried the mail in the queue (I guess by either issuing postfix flush, postsuper -r or Server Admin). This is not exactly the same as seeing a mail through the logs from the moment it is being sent from the client. And since you are at it, it never hurts to try multiple domains to exclude DNS issues.

P.S. May not get back to you today. Getting late here. 🙂

Message was edited by: pterobyte

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