On Mon, Feb 11, 2019 at 01:56:56PM -0700, Zach Callear wrote:
> Viktor Dukhovni:
> > Have you tried:
> > strict_rfc821_envelopes = yes
>
> I just tested it. With "strict_rfc821_envelopes = yes", and with a
> blank "smtpd_helo_restrictions" setting, email sent with the example
> SMTP script from my first message (wherein a UTF BOM is used in the
> email address in the MAIL FROM command) is accepted by Postfix.
Indeed I forgot that this does not enforce an ASCII character-set:
http://www.postfix.org/postconf.5.html#strict_rfc821_envelopes
However, right below that is:
http://www.postfix.org/postconf.5.html#strict_smtputf8
which will do the job.
> Indeed this behavior I'm talking about is without the client specifying
> SMTPUTF8.
In which case it is not specifically the bytes you're reporting
that are problematic. Likely any non-ascii envelope will fail
in exactly the same way.
--
Viktor.
