On Thu, Dec 14, 2017 at 9:27 AM, Ryan Prihoda <rprih...@dynaconnections.com> wrote:
> > What about SPF, DMARC, DKIM ? I am sending 250k/day and only Earthlink > seems to care. How many checks are actually necessary ? > > You should look to implement SPF and DKIM for sure. As for only earthlink seeming to care, how do you know this? You cannot reliably and accurately measure inbox placement. Just because they don't block you at the gate doesn't mean you are not being penalized for having inconsistent DNS.
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