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Postfix issue after upgrade tp 10.4.4

Alexander_Y

New Pleskian
Hi,
We have upgrade from Plesk 10.3 to Plesk 10.4.4
After that our spam filtering smarthost started rejecting messages, which come through Plesk servers. It seem to occur because postfix started to use sender IP as originating IP, when forwarding the email to smarthost. while previously it used Plesk server IP.
What were the changes of that update related to postfix cf file and how to rollback?
 
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