Administrators • RBL lookup error - Host or domain name not found
HelloI noticed recently that my RBL lookup are not anymore working in Zimbra OSE (v8.8.15 on ubuntu 20.04)All received emails are showing this kind of error messageMar 11 08:28:55 marzal...
View ArticleInstallation and Upgrade • Ubuntu 20.04 to 22.04 10.1 Upgrade - zimbra.log...
Has anyone else spotted an issue with the ownership of /var/log/zimbra.log ?The Zimbra logrotate sets the owner as syslog:adm correctly, but zmfixperms resets it to zimbra:zimbra. This precludes...
View ArticleInstallation and Upgrade • Building Zimbra with our own patches
So... ZCS 10.1.5 has been published by Synacor some weeks ago without releasing their vulnerability fix to the Github repos.---We already maintain an OnlyOffice pseudo fork (It's a pseudo fork because...
View ArticleAdministrators • Re: Secrutiy Patch 10.1.5 10.0.13 9.0.0p44 any Idea to patch...
... and now there is a 10.1.6 which is not upstream, nor are the 10.1.5 fixes released. What do we do from here?Well, I think we should start to think to: Build Zimbra with our own patches.Statistics:...
View ArticleAdministrators • Re: Zimbra 10 mail.log empty
Regarding mail.log:I struggled with it few hours with ChatGPT help (struggling mostly with rsyslog) and nothing.Simply Postfix stopped log to mail.log. Fortunately Amavis still is logging to...
View ArticleAdministrators • Re: Odd behavior of contact groups after update to 10.1.5...
Support has confirmed the issue and opened a bug case. ZBUG-4808Statistics: Posted by yellowhousejake — Wed Mar 12, 2025 1:11 pm
View ArticleAdministrators • Re: 8.8.15-GA_4581.FOSS. Backup/Restore via web.
If you're talking about the root password then you can recover from it's 'loss'. Try one of the solutions you'll find doing an internet search for the following:"how can I recover my centos server...
View ArticleZimbra Talk • Questions about Threads of IMAP
The default number of threads of IMAP on Zimbra is 200. If there are about 300 users, how many threads should I set up? Is 600 enough for that?Statistics: Posted by simonleung — Thu Mar 13, 2025 3:05 am
View ArticleZimbra Talk • IMAP Connection Limit
I have a zimbra 6 server. I wonder if there is IMAP connection limit by default. How do I check in command line?Statistics: Posted by simonleung — Thu Mar 13, 2025 3:09 am
View ArticleUsers • Re: stuck ipad/iphone + move folder and contents to another user?
Hi glenndm,You can set up both the main and a secondary archive account in Thunderbird, then copy the archive folder to the secondary account and delete it from the main one to stop it from syncing to...
View ArticleDevelopers • Re: Bug report: filters gone on upgrade: Cannot invoke...
Hi halfgaar,Could you clarify if the filters disappeared for only one specific user each time, or if multiple users were affected during the upgrades to zcs-10.1.1 and zcs-10.1.2?Statistics: Posted by...
View ArticleZimbra Talk • Re: Questions about Threads of IMAP
The default number of threads of IMAP on Zimbra is 200. If there are about 300 users, how many threads should I set up? Is 600 enough for that?There is not a 1:1 relationship between IMAP threads and...
View ArticleAdministrators • CVE-2025-24813
Hi,this https://nvd.nist.gov/vuln/detail/CVE-2025-24813 CVE smells like it affects Zimbra, and importantly, across many generations of installations.Could anyone comment on what they think the impact...
View ArticleAdministrators • Single User Mailbox Unresponsive
FOSS 8.8.15 CentOS 7, 24GB RAM, 6 older XEON cores (1st gen Core i7 equivalent), SSD backed storage (OS and hardware upgrades are pending)1 MTA/LDAP/MAIL STORE server, 1 PROXY server, 1 Z-PUSH...
View ArticleAdministrators • Re: Single User Mailbox Unresponsive
We have 1 user whose mailbox becomes unresponsive several times a week, other users aren't affected. The temporary fix has been to restart the Zimbra server.According to what you describe this sounds...
View ArticleAdministrators • Re: CVE-2025-24813
Zimbra uses jetty.Statistics: Posted by rainer_d — Fri Mar 14, 2025 9:23 am
View ArticleDevelopers • malformed authentication request with python imaplib
Hello.I need help. Im making a script in python to subscribe to mailboxes and for that I want to authenticate using authenticate(). For some reason Im receiving this error imaplib.IMAP4.error:...
View ArticleAdministrators • How to remove a MySQL account entry that is not shown with...
HiI have an inconsistency in the MySQL/LDAP database that makes zmblobchk crash and probably causes some other problems. I would like to get rid of that MySQL entries.Code: zmblobchk --verbose start...
View ArticleAdministrators • Re: How to remove a MySQL account entry that is not shown...
Seems strange that the column width for that comment column is displaying as narrower than the header/footer. Do you perhaps have some non-displayable garbage characters in there?Or, is that just that...
View ArticleAdministrators • Re: DKIM breakage in Zimbra because something re-encodes to...
I have been trying to look into amavisd-new given this interesting thread.Code: smtpd_discard_ehlo_keywords => ['8BITMIME'],What I think is happening is when amavisd-new will not advertise 8BITMIME...
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