From: Whomever
To: Someone
Date: Whenever
Subject: whatever
MIME-Version: 1.0
Message-ID: <id1@host.com>
Content-Type: multipart/alternative; boundary=42
Content-ID: <id001@guppylake.bellcore.com>

--42
Content-Type: message/external-body; name="BodyFormats.ps";
            site="thumper.bellcore.com"; mode="image";
            access-type=ANON-FTP; directory="pub";
            expiration="Fri, 14 Jun 1991 19:13:14 -0400 (EDT)"

Content-type: application/postscript
Content-ID: <id42@guppylake.bellcore.com>

--42
Content-Type: message/external-body; access-type=local-file;
            name="/u/nsb/writing/rfcs/RFC-MIME.ps";
            site="thumper.bellcore.com";
            expiration="Fri, 14 Jun 1991 19:13:14 -0400 (EDT)"

Content-type: application/postscript
Content-ID: <id42@guppylake.bellcore.com>

--42
Content-Type: message/external-body;
            access-type=mail-server
            server="listserv@bogus.bitnet";
            expiration="Fri, 14 Jun 1991 19:13:14 -0400 (EDT)"

Content-type: application/postscript
Content-ID: <id42@guppylake.bellcore.com>

get RFC-MIME.DOC

--42--