Subject: Re: [boost] Messages from list marked as spam
From: Phil Endecott (spam_from_boost_dev_at_[hidden])
Date: 2015-03-24 14:12:40
Olaf van der Spek wrote:
> Email from certain people on the list is marked as spam by gmail: "Why
> is this message in Spam? It has a from address in teamviewer.com but
> has failed teamviewer.com's required tests for authentication. "
> Is there a problem with the setup of this mailing list?
$ dig txt teamviewer.com
teamviewer.com. 600 IN TXT "v=spf1 include:mailgun.org
include:spf.mandrillapp.com include:smtproutes.com include:smtpout.com
ip4:188.8.131.52 ip4:184.108.40.206 a:mail.teamviewer.com
$ spfquery --mail-from teamviewer.com --helo wowbagger.crest.iu.edu
Please see http://www.openspf.org/why.html?sender=teamviewer.com&ip=220.127.116.11&receiver=spfquery
spfquery: transitioning domain of teamviewer.com does not designate
18.104.22.168 as permitted sender
Received-SPF: softfail (spfquery: transitioning domain of
teamviewer.com does not designate 22.214.171.124 as permitted sender)
client-ip=126.96.36.199; envelope-from=teamviewer.com; helo=wowbagger.crest.iu.edu;
This is one of the fundamental problems with SPF. I suspect that
the same issue with emails from me. I don't think it is the
the list to resolve it; either the sender needs a more relaxed SPF
the recipient needs more relaxed checking.
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