I have to second Mike Bydalek's suggestion to test all outbound mail to your "list".  That is one of the mail recommendations from companies that provide "deliverability" services to NetFlix, Cisco, etc.  Spamassassin works but is only as good as your ability to configure it right.  You can just use this:

http://www.mailingcheck.com/

Believe me it's easy to have a combination of words or a link that causes the email to win you a Blacklist entry.

On Wed, Feb 15, 2012 at 8:13 PM, Mike Bydalek <mike.bydalek@gmail.com> wrote:
Take a look at this:

http://support.google.com/a/bin/answer.py?hl=en&answer=178723

Google recommends a slightly version than what you have.  Also, you can send an e-mail to spf-test@openspf.org to validate your settings.

To be honest, you're going to face a tough battle.  I was at a company where we sent a large amount of e-mails to professors throughout the country and were constantly battling bounces and Spam filters (this was all opt-in keep in mind).  What I would suggest is monitor your bounce backs and click-throughs to ensure nothing is amiss.

One technique I could suggest would be to setup an internal SpamAssassin (or use MailScanner) on a different domain and send your draft e-mails to an account on that system.  Enable the option to put scores in the header and then you can look at the e-mail to ensure that nothing you're doing is triggering a huge score.

Good luck!

-Mike


On 2/15/12 7:05 PM, Vimal Shah wrote:
Hello All,

We regularly need to send emails (not marketing but student achievement
metrics) to elementary school teachers across the country. We've been
getting some of our email blocks at schools and so along with contacting
the IT person to get whitelisted, we've just set up an SPF record in
GoDaddy's DNS manager. It created a record (with PTR) and a value =

v=spf1 mx ptr include:_spf.google.com. ~all
<https://dns.godaddy.com/ZoneFile.aspx?zone=SOKIKOM.COM&zoneType=0&refer=dcc#>

       


We send all email through google. Does this seem right? Are there any
other records that should be included to maximize the probability of
email delivery?

Thanks,
-Vimal


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