[Mailman-Users] Reducing false positives with spam markings with Gmail, etc.

Mark Sapiro mark at msapiro.net
Sat Mar 15 17:05:12 CET 2014

On 03/14/2014 03:16 PM, Cedric Knight wrote:
> There are hints about this change at Gmail at
> <http://groupserver.org/groups/development/messages/topic/iYuRUBysGQMMbZ98m73dZ>,
> that it might be a result of the "Precedence: bulk" header added to
> administrivia messages.

Most Mailman generated messages are Precedence: bulk. The use of
Precedence: headers is discouraged by RFC 2076, and I would consider not
adding the Precedence: bulk header to confirmations.

This would seem reasonable even though some confirmation messages are
actually spurious [1]. The question is should there be a Precedence
header at all, and if so, what should its value be?

[1] I once thoughtlessly posted an example of an unsubscribe URL using
real data for my address and this list, and now every time a search
engine web crawler crawls the list archive, I get an unsubscribe
confirmation request.

Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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