CentOS 7.x Zimbra allow encrypted attachments
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By default Zimbra might block encrypted attachments including encrypted PDF files. Now many banks send statements as password-protected pdf files and such files will not get delivered by default. To allow encrypted / password-protected pdf files to be sent/received use Zimbra admin interface and go to Configure -> Global Settings -> AS/AV and uncheck "Block encrypted archives". Click save. Then run following as Zimbra user for settings to take effect
zmamavisdctl restart
The same can be validated using command line using:
zmprov gcf zimbraVirusBlockEncryptedArchive
If you want to change settings directly on command-line instead of using Admin Web UI use:
zmprov mcf zimbraVirusBlockEncryptedArchive FALSE zmamavisdctl restart
Refer:
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