Люди, подскажите, что означает сиё матерное выражение или в каких логах искать суть проблемы. На другие адреса всё отправляется нормально. С этого адреса письма приходят, а назад не уходят.
This is the mail system at host xxx.xxx.xx.
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
<anton.kozlov@kz.atlascopco.com>: host mta1a.mail.zscaler.net[216.218.133.196]
said: 554-Transaction rejected (id=535625C310BF0001) 554-Please provide the
above transaction id and email details to 554 your mail administrator for
more information (in reply to end of DATA command)
Reporting-MTA: dns; xxx.xxx.xx
X-Postfix-Queue-ID: 8DEC83C005A
X-Postfix-Sender: rfc822; mail@xxx.kz
Arrival-Date: Tue, 22 Apr 2014 22:08:11 +0600 (ALMT)
Final-Recipient: rfc822; anton.kozlov@kz.atlascopco.com
Original-Recipient: rfc822;anton.kozlov@kz.atlascopco.com
Action: failed
Status: 5.0.0
Remote-MTA: dns; mta1a.mail.zscaler.net
Diagnostic-Code: smtp; 554-Transaction rejected (id=535625C310BF0001)
554-Please provide the above transaction id and email details to 554 your
mail administrator for more information