Infile
------------------------------------------------------------
From : Andrew
To : Andrew

This is some sample text


From : Andrew
Mime Attachment
To : Andrew

This is some sample text


[Attachment decoded as abcd.pdf]



From : Andrew
To : Andrew

This is some sample text



------------------------------------------------------------

Outfile
------------------------------------------------------------
From : Andrew
To : Andrew

This is some sample text


From : Andrew
Plain Text
To : Andrew

This is some sample text


[Attachment decoded as abcd.pdf]



From : Andrew
To : Andrew

This is some sample text



------------------------------------------------------------