Zimbra log file rotations are controlled via the /etc/logrotate.d/zimbra script.
You can edit it to suit your preferences but it will be replaced as part of a Zimbra upgrade with the latest Zimbra version.
Hope that helps,
Mark
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___________________________________ L. Mark Stone, CIO "Uptime. All the time."
477 Congress Street | Portland, ME 04101-3431 | (207) 772-5678
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