If I disable and activate it again, does that mean it will reset all my existing trusted devices and I have to re-enter new application codes for email apps that don't support 2FA?

After I have setup 2FA and enter the key into Google Authenticator in my smartphone, everything works fine until I changed my smartphone. On my new phone, I can add back my Microsoft and Google 2FA by showing the barcode and scan into the Google Authenticator again. However, the Zimbra 2FA no longer...

I have resolve this issue. We found out that this user somehow has a sync problem that end up duplicating a subfolder until over 50 subfolders deep. After deleting them, he has no problem logging in his webmail. Please check if your user is having similar issue

We intend to purchase commercial SSL certificate and was told that we have to shift our company logo hosted on external site to be shown in Zimbra, back into Zimbra itself to avoid any SSL warning. However, I was surprise to read that Images hosted in the same Zimbra server is NOT recommended here: ...

Anyone facing an issue whereby users of Zimbra Desktop can no longer login to their web client unless they switch from advanced to standard mode? Zimbra Support suspect this: We have checked provided log files and found continuous DoS alerts for IP "x.x.x.x" where from user xxx connecting ...

I believe there is some serious bugs with Zimbra Desktop, because I notice that all users who are complaining slow AJAX web clients are all ZD users. When restoring their accounts from backup, there is no such issues anymore. See this: viewtopic.php?t=56551&start=10

I have this yellow icon too as I share briefcase to external party and they get prompted to create an account which appear as yellow icon. Will these accounts also get counted into our user licenses? btw, I'm not able to attach any image. The error message is: Sorry, the board attachment quota has b...

I was instructed by Zimbra Support to upgrade to 8.6 first instead of 8.7.x directly because the upgrade failed immediately with a direct jump from 8.0.9 to 8.7.x. In fact, 8.7.x is such a major upgrade that I felt it should have been released as 9.0 instead. I also understand that Ubuntu has stoppe...

So the recommendation is either not to upgrade Zimbra to 8.7.x for now if we are already on Ubuntu 14 and above? Or retain Ubuntu at version 12 if we want to upgrade to Zimbra 8.7.x? FYI, I'm currently still running Zimbra 8.0.9 on Ubuntu 10. And have successfully upgrade to Zimbra 8.6 on Ubuntu 12 ...

To avoid this issue, is it better to upgrade Ubuntu to the latest version with Zimbra 8.6 before upgrading Zimbra to 8.7.x?