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
message. The unsubscribe info appears to be added to the first (text)
part of the message, but not subsequent alternative parts. If you set
the client to display as plain text, it probably displays the separate
plain text part rather than removing the formatting codes from the HTML
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 wonder if a message sent as HTML-only (without a plain text equivalent
part) would have the unsubscribe info added...?
Mark.
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