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Re: [Bug-mailfromd] proper use of dkim verify


> 
> > >
> > > > > Ok but then I don't really get why dkim is failing on everything
> > from
> > > > > sendgrid. Do you know how I can check this?
> > > >
> > > > What's the return value from dkim_verify and what are the values of
> > > > of dkim_explanation_code and dkim_explanation upon return from it?
> > > >
> > >
> > >
> >
> > from some other domain, that has mx records to pphosted.com (I think
> that
> > is something similar to sendgrid) so probably also nested keys.
> >
> > dkim_verify  = DKIM_VERIFY_PERMFAIL (from switch statement)
> > dkim_explanation = signature did not verify
> > dkim_explanation_code = 17
> >
> > I have to wait for the sendgrid message, have quite low volume.
> 
> Another different domain with mx records on outlook.com, also with
> dkim_explanation_code = 17
> 

It is a bit difficult extracting these headers properly as these are mostly messages going into other users mail storage. Currently (with your nice stats implementation) I have around 16% of dkim failing with this

dkim_explanation = signature did not verify
dkim_explanation_code = 17

One of them being directly from xxx@xxxxxxxxxxx if I randomly check the mx records of other domains they are having this on outlook.com as well. So maybe something sepecific to outlook.com? These headers are huge, maybe that could be something?