Zimbra Drive on NextCloud 18

[j-ed]

Are you sure that the Zimbra app supports Nexytcloud 18? Please read the following positing which can easily be found using the fantastic search function of this forum

Mail notifications for Zimbra users

Due to the fact that Zimbra Drive is a 3rd party app provided “as it”, you can try to ask the contributors of the project if they’re willing to provide an upgrade for Nextcloud 18. Sorry to say, but from my perspective it doesn’t look like an active maintained app anymore.