Package: unattended-upgrades
Version: 0.80~sid2
Tags: patch
unattended-upgrade gives this to sendmail:
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable
but the body is not really encoded using quoted-printable. As a result,
this string of bytes in the body:
Allowed origins are: ['o=Debian, [...]
is usually rendered this way by a MIME-capable email program:
(tried three of them: mutt, alpine and icedove)
Allowed origins are: ['o?bian, [...]
because "=De" is understood as a quoted-printable escape.
The obvious fix is to explicitly encode the body using
quoted-printable, maybe like this:
--- a/unattended-upgrade
+++ b/unattended-upgrade
@@ -606,7 +606,7 @@ def _send_mail_using_sendmail(to_address, subject, body):
charset = email.Charset.Charset("utf-8")
charset.body_encoding = email.Charset.QP
msg.set_charset(charset)
- msg.set_payload(body)
+ msg.set_payload(msg._charset.body_encode(body))
msg['Subject'] = subject
msg['To'] = to_address
sendmail = subprocess.Popen(
then unattended-upgrade would produce an email message like this:
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable
[...]
Allowed origins are: ['o=3DDebian,
which will be rendered correctly by the email program.
Thanks.
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