"list-unsubscribe" mail header & no footer

[André-John Mas]

Fair enough for the footer, but not sure why Apple Mail is not recognising the headers
here for unsubscribe. I do see them there, but something is not behaving the same
as on other mailing lists.

Maybe this is impacting me only?

> On 5 Apr, 2022, at 14:30, Ralph Seichter via macports-users <macports-users at lists.macports.org> wrote:
> 
> * André-John Mas:
> 
>> I just noticed that the emails for "macports users" aren't showing the
>> "unsubscribe" button in Apple Mail and they don't have a footer to
>> link to unsubscribe instructions, as I am used to seeing in other list
>> server based messages.
> 
> All messages from this mailing list have a "List-Unsubscribe" and
> various other List-* headers. That's all a decent MUA requires. Message
> footers and subject prefixes break DKIM signatures and are therefore to
> be avoided.
> 
> -Ralph