[Linux-aus] PSA: Messages sent through LA mailing lists being classified as SPAM

Tim Connors tconnors at rather.puzzling.org
Fri Jan 15 00:30:45 AEDT 2016

On Fri, 15 Jan 2016, Russell Coker wrote:

> On Thu, 14 Jan 2016 09:09:59 PM Joel W. Shea wrote:
> > > [...] OpenDKIM uses tabs and both OpenDKIM and libmail-dkim-perl
> > > expect tabs when it receives mail, Mailman refolds it with spaces
> > > instead and those programs can't validate the mail (I'm not aware of
> > > any DKIM checker that accepts spaces). [...]
> >
> > Although I haven't tested directly, I believe Mailman may only break
> > DKIM signatures where the canonicalization method is "simple" (rather
> > than "relaxed"), unfortunately this is both the default setting for
> > OpenDKIM, and also where it's not explicitly specified in the header.
> That appears to be the case.  One other thing to note is that most people
> don't know how to configure these things.  When we discussed this issue on the
> LUV list no-one pointed out how to solve it.

Er yes we did.  We said it would be better to revert the changes, since
the problems it created were greater than the non problems it solved.

Tim Connors

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