Paul Smith wrote:
 
> From: Joe \(Joseph\) Bloggs <[EMAIL PROTECTED]>
 
> My reading of RFC 2822 says that this is three "tokens", 'Joe',
> '\' and an unfinished comment '(Joseph) Bloggs <[EMAIL PROTECTED]>'

I think it's "Joe" followed by a syntax error, how you resume
parsing after an error, e.g. arriving at "unfinished comment",
not at all, or ignoring an invalid quoted-pair, isn't specified.

> the '\' before the '(' isn't a quoting '\' but a real '\'.

The real backslash is a real syntax error at this place.

> Outside comments you use " characters for quoting.

Quoted pairs can also appear within quoted strings, or in
domain-literal, maybe more, not only in comments.  And
quoted strings aren't allowed everywhere, e.g. not as a
domain-literal, domain-literals use square brackets.

> syntactically correct formations of the line could be:
 
> From: "Joe (Joseph) Bloggs" <[EMAIL PROTECTED]>
> or
> From: (Joe \(Joseph\) Bloggs) [EMAIL PROTECTED]
> or even
> From: Joe (\(Joseph\)) Bloggs <[EMAIL PROTECTED]>

Or From: "Joe \(Joseph\) Bloggs" <[EMAIL PROTECTED]>
or From: Joe (Joseph) Bloggs <[EMAIL PROTECTED]>

Using the new 2821bis style of a TLD address,
we're on the SMTP list... :-)

 Frank

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