@mik I know that. Only that the Zextras version of Zimbra 9 does not support it.I tried and asked at Zextras.You can read at multiple forums (also her...

OK, there is a solution. Upgrading to this version works and hopefully I will be able to get all the latest patches. Thank you for support.

Let me confirm: you have Zimbra 9 by Zextras (what patch) installed, then you do apt update, apt upgrade, fixperm and restart and you get patch 34?Off...

@dani Pity. So I am stuck.But thank you anyway!And since my answer here has to be greater than 50 characters, then I have to write blablablablabla. Is...

@dani Thank you for the answer. Will it also work on Ubuntu 20?

@jansko Hello, I have tried updating from Zextras 9 verion to yours P34, but unfortunatelly after that mailbox does not start anymore. Help, please!

Hello, I have Zimbra 9 from Zextrax plus Ubuntu 20 and the same problem. Anz solution from Zextras?