I don't know the actual answer, but it appears that Google has made some
modifications to its spam filters, probably in response to the recent
Heartbleed issues. At first, I was getting these mostly in response to
listmembers who had Yahoo and Aol accounts. It's ironic that the filters
are suspicious of Google's own gmail accounts.

Marc P.

On Sat, Apr 26, 2014 at 10:47 PM, bernie <1234bjs@gmail.com> wrote:

> Yes I have and I just got one.
>
> "This message may not have been sent by: dhanson928@gmail.com "
>
> I was wondering the same thing. Why now all of a sudden?
>
> Bernie
>
>
> On Sat, Apr 26, 2014 at 7:44 PM, Don Hanson <dhanson928@gmail.com> wrote:
>
> >   Has anybody else recently began getting these Gmail  "!Warning! May not
> > have been sent by ____________......" message headers with a lot of
> vanagon
> > list  emails?   They began appearing a few days ago,  on top of lots of
> the
> > posts from Vanagon List that I've been getting.  Gmail has a convoluted
> > explanation in a drop down menu that I don't follow, being a
> > cyber-challenged...I  don't think I have changed anything in my settings
> to
> > cause these highlighted headers to began appearing...but ....?
> >
> >   Don Hanson
> >
>