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I had a similar problem - the AJAX web interface did not load for a single user at all or was extremely slow. It was a broken share link (calendar of a person who is no more in zimbra). Here is how to find it: [zimbra@zimbra-mbox2 ~]$ zmsoap -z -m broken.user GetFolderRequest @tr=1| grep broken < li...

Could be a problem of self-signed LDAP certificate?

From the look of the error message it seems like Zimbra code uses java int type to obtain the size of the external mailbox. The int size in java ( java.lang.Integer ) has the range from -2 147 483 648 to 2 147 483 647 corresponding to 2Gb. They should use java.lang.Long for that. If that is the case...

The solution is generally disabling the new OWASP validation framework:

Looks like the things are finally set in motion for this bug : here is a new commit 5 hours ago (so far only in devel branch) to fix it: https://github.com/Zimbra/zm-mailbox/co ... 3b36e311ee
So maybe in 8.8.15_P2 or _P3...

Чистый html интерфейс вроде как объявлен устаревшим, так же как и мобильные (Mobile & Touch), там есть масса неисправленных багов. Предлагается пользоваться интерфейсом по умолчанию (Advanced(Ajax))

Hi, i usually modify the files /opt/zimbra/common/conf/main.cf and / /opt/zimbra/common/conf/main.cf.default to set smtpd_client_event_limit_exceptions , smtpd_client_connection_rate_limit and smtpd_client_connection_count_limit . You need to do it again after each patch of Zimbra software since the...

Have you installed patch 1 of 8.8.15 (https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P1)? If you have installed the patch and it does not resolve your problem then i think it is another manifestation of the bugs related to the new OWASP sanitizer. Try this: zmlocalconfig -e zimbra_use_owasp_htm...

This should fix you problem (the same fix as for 8.8.12_P4) :

The exception is in the com.zimbra.common.httpclient.HttpClientUtil class. It could be a new Zimbra bug related to the major change of version of HttpCLient ("Upgraded 3rd Party HttpClient to version 4.5.5." from https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15). There is already a kno...