File Content Extraction 26.1
Filter SDK C++ Programming Guide

# smime

Returns whether the subfile is S/MIME-encrypted and credentials are required to extract it.

This information is available only for subfiles of EML and PST containers.

## Syntax

    bool smime() const;

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Version 26.1 | Last updated January 2026

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Product: File Content Extraction 26.1

Topic Title: smime