Re: [boost] Messages from list marked as spam

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
[snip]
teamviewer.com.		600	IN	TXT	"v=spf1 include:mailgun.org 
include:spf.mandrillapp.com include:smtproutes.com include:smtpout.com 
ip4:46.163.100.196 ip4:46.163.100.194 a:mail.teamviewer.com 
a:mailers.teamviewer.com ~all"

$ spfquery --mail-from teamviewer.com --helo wowbagger.crest.iu.edu 
--ip 129.79.39.203
softfail
Please see http://www.openspf.org/why.html?sender=teamviewer.com&ip=129.79.39.203&receiver=spfquery
spfquery: transitioning domain of teamviewer.com does not designate 
129.79.39.203 as permitted sender
Received-SPF: softfail (spfquery: transitioning domain of 
teamviewer.com does not designate 129.79.39.203 as permitted sender) 
client-ip=129.79.39.203; envelope-from=teamviewer.com; helo=wowbagger.crest.iu.edu;

This is one of the fundamental problems with SPF.  I suspect that 
you'll see
the same issue with emails from me.  I don't think it is the 
responsibility of
the list to resolve it; either the sender needs a more relaxed SPF 
rule, or
the recipient needs more relaxed checking.

Regards,  Phil.