We had a rash of these errors messages around 10:03 am (U.S. Central):
Site hotmail.com (104.47.8.33) said after data sent: 451 4.3.2
System not accepting network messages - IOException(SetupMessageStream)
[AM5EUR03HT156.eop-EUR03.prod.protection.outlook.com]
[AM5EUR03FT055.eop-EUR03.prod.protection.outlook.com]
One our customers (church) sent their standard email blast to their members.
We had just one yesterday at 8:04 am to outlook.com.
<[email protected]> <[email protected]> 118763
<[email protected]> "[199.120.69.25] Site outlook.com
(104.47.37.33) said after data sent: 451 4.3.2 System not accepting network
messages - IOException(SetupMessageStream)
[CY1NAM02HT149.eop-nam02.prod.protection.outlook.com]
[CY1NAM02FT059.eop-nam02.prod.protection.outlook.com]"
Frank
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