Arnt Gulbrandsen:
> De/composition are pushed to the DNS. The SMTP part just says: Convert to a
> IDNA a-labels in order to do the MX lookup, and otherwise don't mess with
> the bytes you received. (My patch uses ICU to convert to a-labels.)
That is a mis-conception.
DNS is not the only interfa
I want to digress about one aspect here: SMTP/EAI and unicode
normalization.
The general EAI approach to that is to avoid having the problem, ie. to
define the SMTP/email extensions such that the problems become other
people's problems.
Homoglyphs aren't an SMTP problem. Two codepoints may l
On Wednesday, June 4, 2014 9:03:02 PM CEST, Matthias Andree wrote:
Is Microsoft going
to implement it?
Microsoft has implemented it. They asked for interoperation testing earlier
this week.
IBM's Lotus Domino/Notes suites on the client end?
No idea.
Except that IBM has offices in Beijing
Am 04.06.2014 19:48, schrieb Arnt Gulbrandsen:
> Compliant SMTP servers only accept mail to/from EAI addresses if the
> SMTP client uses the SMTPUTF8 form of the MAIL FROM command. The SMTP
> client, in turn, only uses that form if the origin too used it.
>
> The purpose of this feature is to guar
On Wednesday, June 4, 2014 8:38:49 PM CEST, Wietse Venema wrote:
I'll read the RFCs carefully and see where it allows UTF8 in SMTP
command parameters and replies.
You'll do that, but I'll tell you anyway: The client may use it once the
server has issued an EHLO response containing SMTPUTF8, an
Arnt Gulbrandsen:
> On Wednesday, June 4, 2014 6:45:40 PM CEST, Wietse Venema wrote:
> > You are missing the point. The internal SMTP client does not
> > look up the recipient MX host. It just gives the mail to the
> > perimeter gateway.
> >
> > Therefore, a non-EAI internal SMTP client can send an
On Wednesday, June 4, 2014 6:58:43 PM CEST, Viktor Dukhovni wrote:
My impression is that UTF-8 domain names are are an MUA display
format issue.
There was tremedously tedious discussion of the approach you suggest, and
of many others. There was even a set of experimental RFCs issued. In the
e
On Wednesday, June 4, 2014 6:45:40 PM CEST, Wietse Venema wrote:
You are missing the point. The internal SMTP client does not
look up the recipient MX host. It just gives the mail to the
perimeter gateway.
Therefore, a non-EAI internal SMTP client can send an email reply
to an EAI sender.
I
On Wed, Jun 04, 2014 at 12:45:40PM -0400, Wietse Venema wrote:
> > As far as I can tell the xn-- mumble is never used outside the DNS lookups,
> > neither in the RFCs nor in practice. The EAI RFCs say to use the xn-- form
> > for MX lookups, to use an ASCII domain name for the EHLO argument, and
Arnt Gulbrandsen:
> >>> Have you given any thought of what happens when a company installs
> >>> Postfix-EAI on the perimeter, and WANTS TO FORWARD THE MAIL TO THEIR
> >>> INTERNAL SYSTEMS that may or may not have EAI support?
> >>
> >> Yes.
> > ...
> >> Outgoing mail from that company to unicode
On Wednesday, June 4, 2014 3:23:24 PM CEST, Wietse Venema wrote:
Arnt Gulbrandsen:
On Wednesday, June 4, 2014 12:55:18 PM CEST, Wietse Venema wrote:
...
Yes. We must maintain compatibility with existing practice. Postfix
has always passed 8-bit headers and envelopes (localparts) for the
past
Arnt Gulbrandsen:
> On Wednesday, June 4, 2014 12:55:18 PM CEST, Wietse Venema wrote:
> > I have looked at parts of the patch in my copious time.
>
> I hoped someone else would ;) I do feel a little guilty about imposing on
> you alone.
>
> > First, Postfix behavior must not change unless mail i
On Wednesday, June 4, 2014 12:55:18 PM CEST, Wietse Venema wrote:
I have looked at parts of the patch in my copious time.
I hoped someone else would ;) I do feel a little guilty about imposing on
you alone.
First, Postfix behavior must not change unless mail is flagged as
EAI, regardless of
Arnt Gulbrandsen:
> Three weeks ago I wrote:
> > at http://arnt.gulbrandsen.priv.no/tmp/postfix-eai-patch you
> > will find a patch to add unicode email support to Postfix. The
> > patch is relative to postfix-2.12-20140316.
>
> I see about ten people have downloaded the patch, but noone has sen
Three weeks ago I wrote:
at http://arnt.gulbrandsen.priv.no/tmp/postfix-eai-patch you
will find a patch to add unicode email support to Postfix. The
patch is relative to postfix-2.12-20140316.
I see about ten people have downloaded the patch, but noone has sent mail
to the autoresponder. I ta
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