[TriLUG] Email Problems

[Aaron Joyner]

On Sat, Feb 9, 2013 at 10:16 AM, James Jones <jc.jones at tuftux.com> wrote:
> Thanks Aaron.

Happy to help!

> I sent an email to a yahoo account of mine and I noticed this line in
> the received yahoo header.
>
> "Received-SPF: none (domain of tuftux.com does not designate permitted
> sender hosts)" Further in the header is these lines --
> "Authentication-Results: mta1241.mail.sk1.yahoo.com  from=tuftux.com;
> domainkeys=neutral (no sig);  from=tuftux.com; dkim=neutral (no sig)"
>
> On my Juno.com email account, the lines are:
>
> "Authentication-Results: mx06.dca.untd.com; DKIM=NONE
> Received-SPF: None"
>
> So looks like if I figure out how to add the DKIM key to my DNS mx
> records, I may have a chance to get my communication corrected.
> Hopefully I understand what is needed.

Those headers highlight that you also don't have any SPF records.  You
should setup SPF as well as DKIM.
http://support.google.com/a/bin/answer.py?hl=en&answer=33786


> This setup with Google as my email host has existed since 2008 without
> any problems until now. Has the DKIM key portion been in existence all
> that time?

Based on some quick Googling, Google Apps For Domains launched DKIM in
early 2011.  I also stumbled on this handy walkthrough which covers
setting up both:
http://www.techrepublic.com/blog/google-in-the-enterprise/send-better-email-configure-spf-and-dkim-for-google-apps/1518

> Note: I had to cut part of the message history from this email because
> the message hit the "too long" routine on the discussion group.

Yeah... that's par for the course for interacting with me via TriLUG.  :)

Aaron S. Joyner