I got mail with 3 attached TeX files.
I read them in Emacs/Gnus and got this:

Content-Type: application/applefile; name="edcmmhs.sty"
Content-Transfer-Encoding: base64
Content-Description: Apple file in AppleSingle stream
Content-Disposition: attachment; filename="edcmmhs.sty"

Please give a name for this Macintosh file: No name given,
exiting
Command failed:  rcvAppleSingle /tmp/mm.AxGXyH
Content-Type: application/applefile; name="edcgeo12.sty"
Content-Transfer-Encoding: base64
Content-Description: Apple file in AppleSingle stream
Content-Disposition: attachment; filename="edcgeo12.sty"

Please give a name for this Macintosh file: No name given,
exiting
Command failed:  rcvAppleSingle /tmp/mm.SJmIS4
Content-Type: application/applefile; name="edcabbrevs.tex"
Content-Transfer-Encoding: base64
Content-Description: Apple file in AppleSingle stream
Content-Disposition: attachment; filename="edcabbrevs.tex"

Please give a name for this Macintosh file: No name given,
exiting
Command failed:  rcvAppleSingle /tmp/mm.wRYaSs