Hi Hamish,
I thought you might be interested to know you email, by the time it
reached me through the mailing list, had an RFC violation in its header.
"multipart/alternative" type in message must be encoded in
7bit, 8bit, or binary, per RFC 2045 (6.4).
Here are some of the relevant header fields.
1 Content-Type: multipart/alternative;
boundary="----sinikael-?=_1-16757796127270.6809426512989821"
2 User-Agent: Desktop
3 Content-Transfer-Encoding: quoted-printable
4 X-ZohoMailClient: External
5 ------sinikael-?=_1-16757796127270.6809426512989821
6 Content-Type: text/plain; charset=utf-8
7 Content-Transfer-Encoding: quoted-printable
...
9 ------sinikael-?=_1-16757796127270.6809426512989821
10 Content-Type: text/html; charset=utf-8
11 Content-Transfer-Encoding: quoted-printable
...
13 ------sinikael-?=_1-16757796127270.6809426512989821--
The complaint is about 3 because 1's multipart/alternative means
‘quoted-printable’ isn't valid, as the error message says.
That encoding is fine for the MIME parts within the email so 7 and 10
aren't a problem.
You may want to check your emails which don't go through the mailing
list have the same issue and if so report it upstream, presumably to
ZohoMail, given 4 and 2. Failing the RFC validation is a nudge towards
considering the email spam in some quarters.
--
Cheers, Ralph.
--
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