On Wed, May 9, 2012 at 4:01 PM, David d...@fiteyes.com wrote:
Re: Giving away the secrets of 99.3% email delivery
1. Constantly monitor spam blacklists. We have a set of Nagios alerts
that regularly check if we’re listed on any delivery blacklists, and
whenever they go off we take whatever
On 9 May 2012, at 20:32, David wrote:
On Wed, May 9, 2012 at 4:01 PM, David d...@fiteyes.com wrote:
Re: Giving away the secrets of 99.3% email delivery
1. Constantly monitor spam blacklists. We have a set of Nagios alerts
that regularly check if we’re listed on any delivery blacklists, and
David wrote:
I started by setting up an SPF record (#2 on the list above). However,
shortly after setting it up, we got a bounce with this reason:
SPF MAIL FROM check failed: [MAIL_FROM]
[...]
Looking at the headers of the bounced message, I note:
Received-SPF: pass (domain of
