On 08/29/2011 11:51 PM, Phil Pennock wrote:
(1) Read Todd Lyon's response.  It's sound.

(2) Set up DKIM.  Without DKIM, the only distinguishing signal to Gmail
     is the source IP, and if you yourself are not sending enough mail,
     you can get lumped in with the /24 you're in.

     With DKIM, you also provide a per-domain signal.  You might still
     not generate enough mail to establish a tracked reputation, but
     there's a reasonable chance you will.  This is the only way to
     really stand a decent chance of breaking away from a bad
     neighbourhood reputation.


-Phil
Ok, thus I begin to setup DKIM and I'll watch the situation. Thanks!

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