This solution applies to Email Security Gateway firmware releases 5.0 through 5.1.2.005.
Some customers on firmware release 5.0 have experienced occasional issues with the incorrect blocking of emails with the reason "Password Protected Archive." The root cause of the problem was a software defect triggered by recent spam attacks utilizing password protected archives.
The issue has resolved in firmware release 5.1.2.006. All affected customers should upgrade to this release using the Advanced --> Firmware Update screen. For more information, please feel free to contact Barracuda Networks Technical Support.
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