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Software components for data protection, secure storage and transfer

Signed message with attachment, when processed by Microsoft Exchange, is reported as containing an invalid signature. The integrity of the message is supposed not to be broken. What's wrong?

Microsoft Exchange 2007 contains a bug that causes it to invalidate the signatures made over the documents containing file attachments. The details are available here.

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As of July 15, 2016 EldoS Corporation will operate as a division of /n software inc. For more information, please read the announcement.

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