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553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)

D

disproinl

Guest
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:[email protected]]
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, but it seems ok.
(http://kb.odin.com/en/168)

why did it happen? how could i fix it?

Thank you for helping me.
 
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