I think we found the issue: we forgot to insert z-push server in DoSFilter whitelist.
Problems with z-push and zimbra proxy
he only receive new messages after the account creation on the phone, he does not...
Interesting...I tried to increase it to 50 but errors are still present, so I setted...
Eh eh...what do you think I cloud do in order to find the issue?
There are several account which are used by many people each of them with some devices,...
I increased the zimbra_session_limit_soap to 50, much more than used, and reloaded...
Thank you very much, I'll try. I'll let you know. Bye