[issue39757] EmailMessage wrong encoding for international domain

[SilentGhost]

Change by SilentGhost :


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superseder:  -> email parseaddr and formataddr should be IDNA aware

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[issue39757] EmailMessage wrong encoding for international domain

[Julien Castiaux]

Julien Castiaux  added the comment:

Woops wrong copie/paste, here is the correct link: 
https://bugs.python.org/issue11783

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[issue39757] EmailMessage wrong encoding for international domain

[Julien Castiaux]

Julien Castiaux  added the comment:

Duplicate of https://bugs.python.org/issue39757

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resolution:  -> duplicate
stage: patch review -> resolved
status: open -> closed

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[issue39757] EmailMessage wrong encoding for international domain

[Julien Castiaux]

Change by Julien Castiaux :


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keywords: +patch
pull_requests: +18023
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/18667

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[issue39757] EmailMessage wrong encoding for international domain

[Julien Castiaux]

New submission from Julien Castiaux :

Affected python version: 3.5 and above (did test them all except 3.9)

Steps to reproduce:

  from mail.message import EmailMessage
  from mail.policy import SMTP

  msg = EmailMessage(policy=SMTP)
  msg['To'] = 'Joe '  # notice the é in the domain
  print(msg.as_string())

It prints

To: "Joe "

But it should be

To: "Joe "

While b64/qp can be used to encode most non-ascii headers, the domain part of 
an email address is an exception. According to IDNA2008 (rfc5890 , rfc5891), 
non-ascii domain should be encoded using the punycode algorithm and the ACE 
prefix.

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components: email
messages: 362687
nosy: Julien Castiaux, barry, r.david.murray
priority: normal
severity: normal
status: open
title: EmailMessage wrong encoding for international domain
type: behavior
versions: Python 3.5

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