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Old 09-27-2011, 05:11 PM   #1
yeayu
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Exclamation Remote SMTP Server Returned: 553 error


Hello everybody:

I have a centOS 5.6 server with plesk and qmail installed.
Currently it's working fine, but today an extern domain tried to send an email and it received a bounce mail:

Message could not be delivered to some recipients.
The following recipient(s) could not be reached:
Recipient: [SMTP:user@domain.net]
Reason: Remote SMTP Server Returned: 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)


That user was waiting for an email from a booking site (hoteltravel.com)

I have been checking that the mail service is enabled and the domain name is listed in var/qmail/control/virtualdomains and var/qmail/control/rcpthosts files.

why did it happen? how could i fix it?

Thank you for helping me.

Last edited by yeayu; 09-27-2011 at 05:13 PM.
 
Old 09-28-2011, 12:46 PM   #2
ShanxT
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Distribution: Ubuntu 10.04, RHEL/Centos 5.x, Knoppix
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Is there a cdb file of control/rcpthosts present? If it is, confirm if the domain is present in that. You can use this command to confirm:
Code:
strings /var/qmail/control/rcpthosts.cdb | grep domain.net
If it is, send a test mail to the domain from your ID, and please post the logs (qmail-smtpd, qmail-send) for both, this email and the original email.
qmail logs are generally stored in /var/log/qmail, but it might be different in Plesk.
 
Old 09-29-2011, 03:04 AM   #3
yeayu
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There is not any .cdb file in that directory.
:s
 
Old 10-04-2011, 05:35 PM   #4
yeayu
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anything else?
 
Old 10-05-2011, 08:39 AM   #5
ShanxT
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Ok, it seems that relaying for that particular IP is not setup. I'm not sure how it is in Plesk but in qmail there's a file called 'tcp.smtp.cdb', where you can define the IPs to relay. The error you're getting could be due to that. Read about that here. (The second question.)

For Plesk, you could try what the second poster mentioned here.

I've seen that you've already tried the Plesk forums, with no help. Maybe if you ask something along the lines of "I've seen this error and I may have to setup relaying, as per DJB's site. Could someone tell me how?", you might get a response.
 
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