On 25/10/11 18:34, [email protected] wrote:
Gene Young wrote:
On 10/25/2011 1:09 PM, M Henri Day wrote:

So, at least in this instance, it's not a function of the mail client -
the text simply hasn't been added to the html message part by the OOo
mail list gubbins.

One problem with that theory. If you view the HTML message as plain
text, the unsub rubric IS there, so it has obviously been added. Why it
doesn't show with HTML rendering I'll leave to more learned people to
puzzle out.

The HTML and text versions are separate parts of a multi-part MIME

Which is what I tried to show.

message. The unsubscribe info appears to be added to the first (text)
part of the message, but not subsequent alternative parts. If you set

yes.

the client to display as plain text, it probably displays the separate
plain text part rather than removing the formatting codes from the HTML

which is what the plain text is for.

part. The solution is not as easy as simply adding the info to every
part, as other parts may be images or other attachments. It should in
theory be possible for the list software to work its way though
multipart/mixed and multipart/alternative content types, working out
which to add the info to, but that's not quite so simple...

I suspect in general impossible.

However, an over-clever MUA just /might/ take the signature from the plain text and tag it onto on the html. But that's just a shot in the dark.


I wonder if a message sent as HTML-only (without a plain text equivalent
part) would have the unsubscribe info added...?

I'm not sure TB can send html-only emails, or I'd give it a whirl. (And I see your MUA, Mark, isn't plain sailing either :-) )



Mark.



--
Mike Scott
Harlow, Essex, England
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