资料来源 : pyDict

附加信件,(在 E-MAIL网络操作中,可在一封信的提要部份注明某一个文件的路径与名称,在此信件送达对方时, 信中文件也送达对方)

资料来源 : Free On-Line Dictionary of Computing

File Attach
     
        [FidoNet] 1.  A file sent along with a mail message from one
        BBS to another.
     
        2. Sending someone a file by using the File Attach option in a
        BBS mailer.
     
        [{Jargon File}]