Re: Exim and parsing "unusual" Envelope Froms

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著者: Philip Hazel
日付:  
To: Steve Davies
CC: exim-users
題目: Re: Exim and parsing "unusual" Envelope Froms
On Tue, 15 Apr 1997, Steve Davies wrote:

> wpuser%mhshost{"gwisedom1.gwisedom2:user"}@mhs.client.co.za
>
> Exim complains about this address, saying "@ missing in route address".


Not a very good error message. Sorry...

> Is the SMTP address the gateway generates valid? Opinions around here are
> mixed.


... but according to my reading of RFC 822 that is not a valid address. An
address is local-part@domain. A local part is word.word.word... A word
is an atom or a quoted string. An atom is a sequence of non-special
characters. A double quote is a special character. Therefore

wpuser%mhshost{"gwisedom1

is not a valid atom. QED (I hope :-). I will improve the error message
in some future release.

-- 
Philip Hazel                   University Computing Service,
ph10@???             New Museums Site, Cambridge CB2 3QG,
P.Hazel@???          England.  Phone: +44 1223 334714