Hi Benjamin, I’ve seen these bounces and a similar one (“421 4.4.2 Message submission rate for this client has exceeded the configured limit”) These boucnces are all coming form only one mx on Hotmail.fr: hotmail-fr.olc.protection.outlook.com (104.47.9.33)
Can you check if you’ve tried sending to this new mx? I guess they are deploying the new mx as they did last week on the .co.uk and what we are seeing is a kind of “hiccup”. When the addresses are retried on the usual mx we get 250s just fine. Mathieu Bourdin NP6 Deliverability team. De : Benjamin BILLON via mailop [mailto:mailop@mailop.org] Envoyé : lundi 18 septembre 2017 15:18 À : mailop@mailop.org Objet : [mailop] Hotmail "Organization queue quota exceeded." Hello, I'm hearing about replies like "450 4.7.3 Organization queue quota exceeded" for .fr Microsoft domains (hotmail/live/outlook). I didn't receive any myself, but I still wonder if anyone ever heard of this? Google only has 6 results for this, only 2 are relevant, and dated of 2014 .. Cheers, -- Benjamin
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