Installation and Upgrade • 10.1.21 has been released.
Well, for us paying customers at least.Looks like a lot of new things and new features. https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.21We will see how it works out.Statistics: Posted by rainer_d...
View ArticleCommunity News • Tuesday, September 22, 2026 Zeta Alliance Call
Hello Zimbra Community,This week's group discussion topic for Tuesday, September 22, 2026 will be:For anyone who has had the responsibility of operating an email service, countless hours of...
View Article/etc • Board Emails are down! There is no one to contact in case the account...
Hi,I'm not sure what happened but over the weekend my account seems to have gotten locked out. I could not access it even with the correct password?I tried a password reset email, which didn't work as...
View Article/etc • Form searching kinda broken
I just tried to go look back at some threads I posted 15 years ago, when I did my 5>6 and 6>8 upgrades, to make my 8>10 upgrade go a little better, and when I clicked on the "My Threads"...
View ArticleCommunity News • MSH Zimbra Rules released - signatures, disclaimers,...
After several years building and supporting mail processing tools for Postfix (like MSH Postfix Milter), we've released MSH Zimbra Rules - a solution built specifically for Zimbra Collaboration...
View ArticleAdministrators • Zimbra OSE 10.x Backup - Whats the collective wisdom on the...
All,Looking for some guidance on the most robust and reliable zimbra 10.x OSE backup applications, methodologies and strategies.Many thanksSpartStatistics: Posted by realsparticle — Sun Sep 13, 2026...
View ArticleAdministrators • Installing Zimbra 10 and precautions
Hi; I've just installed Zimbra 10.Code: zimbra@mail:~$ zmcontrol -vRelease 10.1.20.GA.0326.UBUNTU22.64 UBUNTU22_64 FOSS edition0.I have some requests to make ; I'll tell you about them soon.I've...
View ArticleAdministrators • Can't view or download pdf attachment through webmail zimbra
Hello,I've installed zimbra version 10.1.18.GA.4200001.UBUNTU24.64 UBUNTU24_64 FOSS, but when trying view or download pdf using webmail zimbra ive got this error :HTTP ERROR 400 unsupported...
View ArticleAdministrators • MySQL won't start and claims InnoDB corrupted. Can the DB be...
Hi everyone,I posted this as a comment to my other thread about installing 8.8.15 Open Source edition on Rocky Linux. But I really need to get a working instance of Zimbra again....So, for some reason...
View ArticleZimlets • Yahoo! Emoticons in Zimbra Mail
Hi!As the title says im lookin for yahoo emoticons (https://blog.zimbra.com/2009/08/yahoo-e ... mbra-mail/), i use zimbra webmail and i only see 16 of this emoticon, how can i use all of...
View ArticleZimbra Connector for Outlook • ZCO keeps changing the default calendar in...
Hi everyone,I’m having a weird issue with Zimbra Connector for Outlook. I have two calendars in my Outlook profile, and I set my Zimbra calendar as the default one. It works fine for a while, but...
View ArticleCommunity News • Format change for the weekly Zeta Alliance calls
Hello Everyone,I wanted to share the news of a format change for the weekly Zeta Alliance calls. As you may already know, we meet weekly (https://zetalliance.org/contact/), every Tuesday throughout...
View ArticleInstallation and Upgrade • Recovering Zimbra 8 OpenSource edition after...
Hi everyone,I'm a little worried here as I'm trying to reinstall my Zimbra setup.Originally I was using CentOS but switched using the "in house" script to RockyLinux as Cent decided to become a...
View ArticleAdministrators • Zimbra Web Firewall
Disclaimer: made with Claude.I think I saw something like months this but could not find it.We have to deal with some old 8.8.15 servers that cannot be upgraded yet. We patch them manually...
View ArticleAdministrators • ATTACK? ATTACK Proxy?
Hi, allRecently I received many smtp request from different source. It looks like thisCode: Aug 23 16:23:22 zimbra postfix/smtpd[1361248]: NOQUEUE: filter: RCPT from unknown[202.53.148.24]:...
View ArticleMigration • How do you verify storage usage after a Zimbra migration?
We’re preparing to move a Zimbra 8.8.15 installation to a new server. The migration itself looks straightforward, but I’m concerned about storage usage after the move. The current server has about 310...
View ArticleZimlets • [Public Beta] Zimbra Nextcloud Connector 3.0.2 – Modern UI, file...
Hello everyone,I am happy to share the first public beta of a new independent open-source project:Zimbra Nextcloud ConnectorVersion: 3.0.2 Public Beta 1Tag: v3.0.2-beta.1The goal of this project is to...
View ArticleAdministrators • Attack? CLI commands injection during SMTP connection
Hello Everyone,I've gotten these error emails from Zimbra about malicious CLI code injection during SMTP connections. Below are a few examples. Does anyone know how to check if I'm...
View ArticleUsers • Is There a Simple Way to Sync Zimbra Contacts with Google?
Hi everyone,I'm looking for a reliable way to keep my Zimbra and Google contacts synchronized automatically.At the moment, any changes I make in one platform have to be manually exported and imported...
View ArticleUsers • Microsoft Office Documents Not Loading in Zimbra Preview Pane
Hi everyone,I'm having an issue where Microsoft Office documents are not loading correctly in the Zimbra preview pane.Are there any known compatibility issues or conflicts that could cause Word,...
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