"Erreur au niveau du proxy"
This was the error message that appears in the top of the Zimbra user page (standard HTML) look at the attachments.
When I log using (Ajax) I only see the loading page (logo Y!)
I don't have any problem with my Administration front-end.
I've done a Multiserver deployment and this problem is related to my mailbox server which contains the listed components:
I've followed this tutorial: ZimbraOnMultiserver
and I plan to make a HA Zimbra, so I want to know if it's a common issue (easily fixed) or it's related to multiserver deployment.
NB: The mailbox was reinstalled with no success to fix this problem.