Content-Description:

Content-Description:

---

Description of MIME message or part

RFC2145

The MIME Content-Description: header describes the content of the MIME message, or in a multipart MIME message the content of a part. The value portion of this header is unstructured text. For example, a MIME-encapsulated image might contain this header:

 Content-Description: Your cousin's new son's picture taken at the hospital.