To set auto-forward email in Zimbra client-server follow these easy steps
Zimbra webmail - Support
Zimbra Email, PDF, Email
MX Plan - How to use Zimbra webmail - OVHcloud
How to use email forwarding
Zimbra Email Hosting & Migration : Complete Guide by Mas_Global
Zimbra and Seafile: the New Collaboration Dream Team – Seafile
Via Web-Browser — MPI MiS Documentation documentation
ZAD - Zimbra :: Tech Center
What is Zimbra? - Quora