Zimbra Email & Collaboration funktioniert nicht

Zimbra is Email + Every App Your Business Needs to Succeed: Collaboration, Video Conferencing, File Sharing, Cloud Storage, Chat and Calendar.  Zimbra’s hosted cloud solution provides: Subscription service, automatic upgrades, zero downtime, custom branding. No IT Headaches!  Writing an email and want to ... send a Slack message? start a video meeting? send a calendar invite?  Zimbra’s productivity suite offers the lowest cost in its class, available as hosted/cloud service or on-premises for 100% data sovereignty.  Zimbra’s on-premises licensed software provides: Data sovereignty, custom branding, custom integrations.  No other email matches Zimbra, trusted by hundreds of millions of users worldwide for over 15 years.  Zimbra is custom made and ideal for Businesses/Enterprises of all sizes, Government Agencies, Education and Highly Regulated Industries.  Want no-fuss email and apps with the best value?  Do you want someone else to host and manage your email?  Do you want to host and manage your own data for security and privacy?  Launch your favorite apps from the tool you use most: Email.  The mobile app supports Zimbra Collaboration Server (ZCS) version 9. 0. 0 and above.  Your WFH remote workers can collaborate with team members anywhere, anytime and now on any device with the same user experience.  You can do it right from email.  Free Trial, no obligation, no credit card needed. Try it today.