[EMAIL PROTECTED] (Patrick J. LoPresti) wrote:
>This is the new RFC which supersedes RFC821 as the SMTP specification:
>
> http://www.faqs.org/rfcs/rfc2821.html
>
>The grammar in sections 4.1.2 and 4.1.3 appears not to permit [] as
>the domain portion of a mailbox in an address. In particular, the
>address "#@[]", which Qmail uses as the envelope sender for
>double-bounces, is not syntactically valid according to this grammar.
I believe #@[] was invalid under RFC821, as well--and is one of the
reasons that particular string was selected, so this is nothing
new. Double bounces should be delivered locally, so RFC821/2821
doesn't apply.
-Dave
