On Sat, Aug 08, 2015 at 02:55:55AM +0000, Jasen Betts wrote:
> AFAICT this address is RFC compliant.
Yes, spaces in the localpart are valid inside a quoted string.
> ehlo you
> mail from: <"a b"@???>
This is a minor protocol violation, because the correct syntax is:
mail from:<localpart@domain> [esmtp extensions]
with no whitespace between the ":" and the left "<" of the address.
However, most MTAs, including Exim, tolerate this misbehaviour.
> 02:41:13 11983 SMTP<< mail from: <"a b"@???>
> 02:41:13 11983 LOG: smtp_syntax_error MAIN
> 02:41:13 11983 SMTP syntax error in "mail from: <"a b"@???>"
> H=(yue) [192.168.2.4] unmatched doublequote in local part
> 02:41:13 11983 SMTP>> 501 <"a: unmatched doublequote in local part
> 501 <"a: unmatched doublequote in local part
The address is syntactically valid, but unwise.
--
Viktor.
