Re: UTF-8 error email from freeuk (Clara)

Matthias Andree <[email protected]> Tue, 30 Nov 2021 17:57:28 +0100
Newsgroups gmane.mail.getmail.user
Message-ID <[email protected]>
Am 04.11.21 um 17:33 schrieb Brian D:
> I have been using getmail without problems for many years.
>
> Currently I'm using getmail 4.54.0
> with Python 2.7.5
> on openSUSE 11.1 (x86_64)
>
> Recently emails (undated) have been arriving from freeuk? saying my email
> program doesn't support UTF-8. the email enclosed with these messages is
> from various email lists I have been subscribed from for years.
>
> Has clara blacklisted getmail as a result of the faulty fork?
>
> and sample email :
>
> ----------------------
> Return-Path: <unknown>
> X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on
> planet4.dyndns.org
> X-Spam-Level: *
> X-Spam-Status: No, score=1.4 required=5.0
> tests=AWL,BAYES_00,FH_FROMEML_NOTLD,
> 	HTML_MESSAGE,MISSING_DATE,MISSING_HEADERS,MISSING_MID autolearn=no
> 	version=3.2.5
> Delivered-To: unknown
> Received: from pop.freeuk.net (80.168.46.12) by router.ntlworld.nil with
>    POP3; 04 Nov 2021 14:50:03 -0000
> From: Mail Delivery Subsystem <postmaster>
> Subject: Cannot display Unicode content
> Mime-Version: 1.0
> Content-Type: multipart/mixed; boundary="=_1796930-1636037403"
>
>
>
> --=_1796930-1636037403
> Content-Type: text/plain
>
> This E-mail message was determined to be Unicode-formatted
> but your E-mail reader does not support Unicode E-mail.
>
> Please use an E-mail reader that supports POP3 with UTF-8
> (see https://tools.ietf.org/html/rfc6856.html).
>
> This can also happen when the sender's E-mail program does not
> correctly format the sent message.
>
> The original message is included as a separate attachment
> so that it can be downloaded manually.
>
> --=_1796930-1636037403
[...]

This can happen, for instance, on server-side Courier-IMAPd trying to
strictly implement RFC-6855 and 6856,

https://datatracker.ietf.org/doc/html/rfc6855
https://datatracker.ietf.org/doc/html/rfc6856

...and the client (getmail, or fetchmail FWIW) not sending "ENABLE
UTF8=ACCEPT" over IMAP, or not sending "UTF8" over POP3.
There was a similar discussion earlier, in July 2021, under the subject
"POP3 UTF-8 support" started by Kopornoky Tamas (actually the 2nd a
carries a forward accent), but I haven't seen Tamas's feedback on
Charles's earlier attempt at tackling this issue.

last message in my book was Charles's
[email protected] 2021-08-07T17:31Z