Hi Nicolas,
Le Mon, Dec 19, 2016 at 04:22:44PM +0000, Webb, Nic via mailop [mailop@mailop.org] a écrit: > Hello: > > I???m trying to reach someone at Orange. Over the last 4 days, we???re > seeing a significant number of throttling messages (around 300,000 > over the last 24 hours) like the following: > > 421 mwinf5c07 ME Service refuse. Veuillez essayer plus tard. Service > refused, please try later. OFR_999 [999] 421 mwinf5c86 ME Trop de > connexions, veuillez verifier votre configuration. Too many > connections, slow down. OFR004_104 [104] > > We???re doing our throttle back our connections, but it???s at the > point where I have hundreds of recipients at Orange / Wanadoo domains > reaching out to us wondering where their transactional mails are ??? > they???re seeing delays of over 12 hours. I wish you have some luck getting someone from Orange replying to you. Being a french service provider we have a lot of users sending emails to these @orange.fr mailboxes and every SMTP server we manage needs to have some very low settings as for concurrent connections to their servers. (we usually limit to 2 concurrent connections) Limiting the number of recipients per smtp sessions can be useful to, if you get "multi-recipients" emails to deliver to them. If you respect these limits, it usually pass rather quickly. They probably have some "whitelist" for large mail hosters like Gmail or MS, but I don't think it's easy getting enough attention of them to be whitelisted :) -- Dominique Rousseau Neuronnexion, Prestataire Internet & Intranet 21 rue Frédéric Petit - 80000 Amiens tel: 03 22 71 61 90 - fax: 03 22 71 61 99 - http://www.neuronnexion.coop _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
