Open Source Edition Downloads
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Previous releases of Open Source Edition
Important information about Sunset binaries and Export Restrictions
| Please be advised a critical security patch has been issued for all versions of ZCS Network and Open Source Edition before version 5.0.18. The patch can be applied without a full server upgrade and must be used unless upgrading to ZCS 5.0.18 or later. See Zimbra Forums for more information. |
4.5.7 GA Release and Older
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