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Broken MIME implementation

1994-07-10 16:11:04
I just received the following MIMEgram, which contains invalid syntax
according to RFC-1521.

Although spaces are permitted in the MIME boundary delimiter, space is not a
valid token character.  Consequently the value to the Boundary parameter must
be a quoted string, that is:
        Content-Type: Multipart/Mixed; Boundary="-- message ----"
and not
        Content-Type: Multipart/Mixed; Boundary=-- message ----
My MIME parser does NOT swallow this message.

It appears to be generated by a product called ``Lotus Notes Mail Gateway for
SMTP''.  If this is a released product, it is quite alarming that it is
sending incorrect MIME.  At the very least, nobody should buy this product
with the expectation that it supports MIME.

I'll reserve judgement about the wisdom of using a constant string, and this
particular constant string.  ;-)

-- Mark --

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 A19646F4D9FD67AB88256088007D1E1D; Sun, 10 Jul 94 15:47:21
To: Mark Crispin <MRC(_at_)panda(_dot_)com>
From: Mailer-Daemon(_at_)notes(_dot_)dev(_dot_)3Com(_dot_)COM
Date: Sun, 10 Jul 94 15:47:21
Subject: Returned mail
Mime-Version: 1.0
Content-Type: Multipart/Mixed; Boundary=-- message ----

---- message ----

Router: Unable to open mailbox file HQ010/HQ/3COM Server not

---- message ----
Content-Type: Message/rfc822
Content-Description: RFC822

<<<message text deleted by MRC>>>

---- message ------

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