2026-03-01 GMT
Zimbra Platform Upgrade from 2026-03-01 18:00 GMT to 2026-03-01 21:00 GMT
2025-12-14 GMT
Zimbra Platform Upgrade from 2025-12-14 18:00 GMT to 2025-12-15 00:00 GMT
2025-09-16 BST
Portal down
2023-12-14 GMT
Email Body Content Stripped by Outlook
2023-10-11 BST
Microsoft Email Delays
2023-08-19 BST
Zimbra Webmail Issue Affecting Some Mailboxes
2023-08-13 BST
Zimbra Patch Installation from 2023-08-13 18:00 BST to 2023-08-13 21:00 BST
2023-05-26 BST
Degraded Performance On Singular Mailbox Server
2023-03-30 BST
Mail Delivery Issue
2023-03-07 GMT
SMTP issues.
2022-10-26 BST
Control Panel Auth Issues
2022-10-10 BST
Data Centre Connectivity Issues
2022-03-01 GMT
Reseller Control Panel Timeouts
2022-02-07 GMT
Zimbra zero-day exploit
2021-12-27 GMT
Primary Data Centre Connectivity Issues
2021-12-01 GMT
Control Panel Inaccesible
2021-11-09 GMT
Control Panel Issues
2021-06-07 BST
High load on one of our mail servers
2021-05-17 BST
Connectivity issues with a select number of servers
2021-04-23 BST
Short connectivity issue for a select number of Zimbra servers
2021-04-19 BST
Short connectivity issue for a select number of Zimbra servers
2020-11-16 GMT
Networking Issues
2020-11-05 GMT
Office 365 delivery issues
2020-08-06 BST
SOAP Error in Zimbra Web Client
2020-06-08 BST
Zimbra performance
2020-05-14 BST
Zimbra Outbound email problems
2020-04-08 BST
Zimbra send and login problem
2020-01-27 GMT
Service interruption for a small number of users.
2020-01-06 GMT
Email Delays
2019-12-05 GMT
Delayed email for some users
2019-11-27 GMT
Control Panel Issues
2019-09-16 BST
Zimbra Email Disruption
2019-09-05 BST
Yahoo and AOL mail problems
2019-08-20 BST
Email delivery slow for some customers.
2019-06-18 BST
Zimbra calendar invitations marked as virus
2019-05-09 BST
Zimbra problem
2019-05-08 BST
Spam scanning issue with third party vendor
2019-04-30 BST
Intermittent Control Panel Issues
2019-02-12 GMT
Zimbra restart on zimbra-mbox14dc5
2019-02-12 GMT
Zimbra restart on zimbra-mbox15dc5
2019-02-04 GMT
Zimbra Email service issues reported
2019-01-07 GMT
Outgoing Email Issue
2018-12-04 GMT
Temporary Outage on Zimbra node mbox4
2018-11-13 GMT
Zimbra Email Service slowdowns / unable to login & send emails
2018-09-18 BST
Hard disk performance issue causing IO load problems
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