CDO may want to run in apartment threaded mode. Try adding the following line directly after your use Win32::OLE statement: 
    Win32::OLE->Initialize(Win32::OLE::COINIT_OLEINITIALIZE());

[download]
and see if it makes a difference.

In reply to Re: Using the Win32 CDO library by jand
in thread Using the Win32 CDO library by engrbob

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