IceWarp Server 11.4.2.0
Release date: 2016-07-11

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IceWarp Server 11.4.2.1
Release date: 2016-08-01
Changelog:

* WebClient - impossible to set Rule condition as 'IS NOT'
* WebClient - Revoking delayed emails doesn't work in FR, IT interface
* TeamChat - Drag&Drop file upload dialog countdown removed
* IceWarp Linux - new version of tcmalloc memory manager
* IceWarp Linux - Kaspersky updater fixed
* Resource scheduling - wrong encoding of email's subject with decline reason

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IceWarp Server 11.4.2.2
Release date: 2016-08-10
Changelog:

* Lets Encrypt certificate cannot be created
* GroupWare - session timeout when trying to resolve external freebusy HTTPS URL

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