Does anyone have any advice for troubleshooting what we're doing to upset icloud domains so that they're dropping our mail? All our normal signals (feedbackloops, bounces, etc) we use to suspend and terminate users sending unwanted mail aren't showing anything unusual as well as all the reputation signals we use are all showing that we're good.
We are getting some intermittent bounces pointing to a Proofpoint block (which seems to be coming and going), but the majority of the mail is being accepted and then appears to be getting discarded (based upon open rates and our own testing). Thanks! -- JOEL BECKHAM [image: BombBomb | Face to Face with more people, more often] W: BombBomb.com <https://bb.bixel.io/v1/track/click/5b03ad2e-fba5-0317-3bbe-4f961d5f5cc0/gm%3A1458844542276/mailop%40mailop.org/?http%3A%2F%2Fwww.bombbomb.com=> [image: BombBomb | Face to Face with more people, more often]
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