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.