This link explain how to "compromise" zimbra : This works only if you have /opt/zimbra/lib/ext/backup/zimbrabackup.jar (library used by network edi...

Hmmm, all the opensource code used by zextras for zimbra 9 build is the same that you can find on zimbra github, nothing more... Zextras doesn't ...

Zimbra 8.8.15 is fully supported by Synacor patch. Zimbra 9 not more.

Hi @maxxer , synacor don't release anymore a complete patch for zimbra 9. zimbra-patch is a metapackage that contain information about all the pie...

Hi @maldoon , if you want to deploy a zimbra to debian you need to re-compile all the packages for this OS. Main problem are packages that contain...

Hi @rmiranda16 , and welcome to zextras community forum. Probably you or another admin have applied to default COS "Max password age", i suggest y...

Hi @joob77, i suggest you try to download last compiled zimbra by zextras or search into forum for others topics that can answer to your question. ...

@daz Dnsbl can be used directly to postfix, i suggest you to read postfix or zimbra documentation, here an example: zmprov ms `zmhostname` +zimbraMt...

@daz Postscreen = Greylist , the only way to disable it is to whitelist all the network. Please re-read all the topics and manual before proceeding to...

@daz This will disable postscreen analysis because this told postscreen to trust every connection from internet... postscreen is not postfix . i sug...

As zimbra run the following syntax : zmprov mcf zimbraMtaPostscreenAccessList 'permit, permit_mynetworks' After that restart mta Finally verify i...

Are you talking about postscreen?

Please move /opt/zimbra/lib/ext/zimbradrive and /opt/zimbra/lib/ext/openchat in a different location outside /opt/zimbra . If in these folders there...

@john_doe Search for zal lib, probably is inside a different folder ( if you used in past owncloud zimlet or other things... ) find /opt/zimbra/conf...

@john_doe verify if you got this folder : /opt/zimbra/lib/ext/zextras/ then remove it. For others guys, upgrade zextras to 3.11 and then upgrade...