Internet Direct (Indy) Version 9.0.2 Beta
TIdMessageEncoder.Filename
Identifies the file name that contains the contents of an RFC-822 message part.

property Filename: string;
Description
Filename is a String property that identifies the file system location that contains the contents of an RFC-822 message part. Filename can be updated to indicate that the RFC message part contents originate from the local file system rather than an inline stream. Use Encode with Filename as the input source to perform encoding from a file.