[vtkusers] To list admin: GMail annoying warning

[Dženan Zukić]

Hi guys,

for some time now a warning "(!) This message may not have been sent by:
someone at gmail.com  'Learn more'  'Report phishing' " has been bugging me.
It always appears when sender is from GMail, and the message was received
through the mailing list. It appears for every such email. I am using GMail
too.

Today I searched for a way to get rid of it, and found this:
http://support.google.com/mail/bin/answer.py?hl=en&answer=185812. It seems
that GMail is putting some authentication information in the message
header, and if it is not found again on reception it shows this warning
(probably because vtk list server is stripping this info).

The same goes for other Kitware's lists, such as insight-users at itk.org. Who
is the administrator of these lists, can they do something to solve this
problem?

Regards,
Dženan
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