MIMEENC
[/?]
[/A attributes]
[/S attributes]
[/E[+|-]]
[/SUBJECT string]
wildcards …
The MIMEENC command reads zero or more files, and writes them out, encoded as a MIME-style message, to its standard output.
wildcards is a search wildcard specification. All files matching the specification are read and processed.
MIMEENC makes no modifications to file content, except to encode the
file in base64. The message that is output comprises the message
headers to specify a multipart/mixed body type.
/A/S/E/SUBJECTSubject: header.