"Box" looks for the following HTTP header parameters to detect an attached file in the email.
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Content-Type
Content-Disposition
Content-Transfer-Encoding
Content-ID
X-Attachment-Id
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Spotfire only uses the following HTTP header parameters .
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Content-Type
Content-Transfer-Encoding
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Since Spotfire doesn't use the three parameters (Content-Disposition, Content-ID, X-Attachment-Id), "Box" will not be able to detect an attached file in the email. This isn't an issue with Spotfire as it is working as designed. There are no configuration changes that can be done from Spotfire side to resolve this. Users are encouraged to log an enhancement request in the
TIBCO ideas portal.