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  1. #1
    Join Date
    May 2011

    Default 500 syntax error, command unrecognised

    Hi Guys,

    As per the below link which is closed, i have discovered the same thing happening with Build: 9.0.1~svn20110627r29113release9.0-1lenny on a more regular basis.

    Specifically I had tracked it down to WebGuard Devices returning the 500 syntax error, command unrecognized reply but now there are more that don't use them.

    For some reason the Kaspersky Virus Blocker is corrupting the DATA segment of the SMTP session. I can create a Policy to bypass the Default Rack that doesn't contain the Kaspersky Virus Blocker but ideally this shouldn't have to be the case right?

    Any ideas?
    Last edited by Handi-Admin; 08-22-2011 at 08:01 PM.

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