On 09/06/2017 15:22, Benoit Panizzon wrote:
Well § is a printable character, but it is above the first 127 bytes
(8-bit). So is ASCII defined as being only the first 127 characters, or
is ASCII the full 255 character set, and the upper 127 ones containing
certain control characters and some localized code-table specific
characters.

ASCII is just the first 128 characters (0-127). Above that it is something else - Extended ASCII, ISO-8859-1, CP860 etc.

https://en.wikipedia.org/wiki/ASCII

IF Lotus Notes is is using a non-ASCII character in a Message-ID, it's wrong.

RFC 5322 has the grammar for a Message-ID. It definitely doesn't allow any characters above 127 (and some characters below 127 are only allowed in a certain format).

I'd say it's unusual to reject a message because of an invalid Message-ID, but a § definitely makes the Message-ID invalid, so the receiver can do what it wants and still conform to the standards.

Are you sure that Lotus Notes is using that character? Have you got an example?




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