Not 100%. Contrast that with the message I sent to the list a few
You're confusing SMTP and submission.
This is an SMTP received header, which tells us that you use
v2.bluepopcorn.net to send mail from your bluepopcorn.net address, which
doesn't strike me as much of a privacy leak.
Received: from v2.bluepopcorn.net (v2.bluepopcorn.net [IPv6:2607:f2f8:a994::2])
(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
(No client certificate requested)
by ietfa.amsl.com (Postfix) with ESMTPS id 1551C1B3847;
Sun, 29 Nov 2015 14:53:43 -0800 (PST)
This is a submission header. It does indeed have an IP address, but all
th address 2001:470:1f05:bfe:a06d:6a7c:4078:aebf tells anyone is that you
use a v6 tunnel from Hurricane Electric, the endpoint of which can be
Received: from [IPv6:2001:470:1f05:bfe:a06d:6a7c:4078:aebf]
([IPv6:2001:470:1f05:bfe:a06d:6a7c:4078:aebf]) (authenticated bits=0)
by v2.bluepopcorn.net (8.14.3/8.14.3/Debian-9.4) with ESMTP id tATMrfPA024552
(version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO);
Sun, 29 Nov 2015 14:53:42 -0800
Chris Newman's short proposal addresses this in the cases where (unlike
you) the IP tells you something about the location of the user.
John Levine, johnl(_at_)taugh(_dot_)com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail.
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