A typical Microsoft successfully delivery looks like this at the moment: *250 2.6.0* <201253301423436.4896.423455598.sw...@senderaddress.com> [InternalId=33775622235527, Hostname= DB5E4H82HT026.eop-EUR03.prod.protection.outlook.com] 26376 bytes in 0.420, 61.327 KB/sec Queued mail for delivery -> *250 2.1.5*
It begins with 250 2.6.0 and ends with 250 2.1.5. Why are there 2 status codes? Does the second one provide additional context, maybe something like "not blackholed"? Or is it just repetitive and therefore insignificant? Thanks, Alex -- Alexander Burch ActiveCampaign / Deliverability Engineer abu...@activecampaign.com 1 North Dearborn St Suite 500, Chicago IL, 60602 <https://www.facebook.com/activecampaign> <http://www.twitter.com/activecampaign> <https://www.linkedin.com/company/activecampaign-inc-> <https://plus.google.com/107063868317743606466> <https://www.activecampaign.com/sig/?u=aburch&c=1>
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