For details: Core Technology Manual – Facsimile Processes – Faxing from a PC – Internet/LAN Fax Boards – Transfer Request
The fields of the e-mail and their contents are as follows:
Field  | Content  | 
|---|---|
From  | E-mail address of the requesting terminal  | 
To  | Destination address (Transfer Station address)  | 
Bcc  | Backup mail address  | 
Subject  | From TSI (Fax Message No. xxxx)  | 
Content-Type  | Multipart/mixed Text/Plain (for a text part), image/tiff (for attached files)  | 
Content-Transfer-Encoding  | Base 64, 7-Bit, 8-bit, Quoted Printable  | 
Mail body (text part)  | RELAY-ID-: xxxx (xxxx: 4 digits for an ID code) RELAY: #01#*X#**01….  | 
Message body  | MIME-converted TIFF-F.  |