contact with mail support for domain

Piotr piotr.1234 at
Thu Apr 28 07:48:09 UTC 2016


There is a problem with sending emails from employees in 
domain to some certain domain. Emails in opposite direction pass without 
problem. No errors, warnings or any other logs at cisco's employees 
desktop.. We checked popular rbls, spamhauses, senderbase etc. Other 
domains on the same MX cluster receive emails from

I try to get help in many ways ( cisco tac, a few  account managers, 
channel partners) but without success..

Big thanks for contact via email:   peter.handke.1966 at
or any other advice

best regards,

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