On 8/1/2024 4:18 PM, Scott Q. via mailop wrote:
CloudFilter is Proofpoint, right ?

We still gets tons of Spam from them. Not sure if this is related to this echospoofing but we just got a pretty big wave

Received: from omta040.useast.a.cloudfilter.net 
(omta040.useast.a.cloudfilter.net [44.202.169.39])
        by mx.emailarray.com (Haraka/2.8.21) with ESMTPS id 
6075B447-619F-4FE2-94FB-B6B586F92374.3
        envelope-from<pe...@hadcloud.com.br>
        (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 verify=FAIL);
        Thu, 01 Aug 2024 16:19:30 -0400
Received: from eig-obgw-6009a.ext.cloudfilter.net ([10.0.30.184])
        by cmsmtp with ESMTPS
        id ZYIHspqDRnNFGZcGnsTR6p; Thu, 01 Aug 2024 20:19:29 +0000
Received: from cp-in-14.webhostbox.net ([103.50.162.147])
        by cmsmtp with ESMTPS
        id ZcGksNXf0oaMiZcGlsDN9r; Thu, 01 Aug 2024 20:19:28 +0000
X-Authority-Analysis: v=2.4 cv=deKG32Xe c=1 sm=1 tr=0 ts=66abedd0
  a=+OZ35jC+7F35rNibgVyYDA==:117 a=jZ5zol7y3lBdV6rxEGevAg==:17
  a=MKtGQD3n3ToA:10 a=yoJbH4e0A30A:10 a=5KLPUuaC_9wA:10 a=M51BFTxLslgA:10
  a=A4EqBspgoKYA:10 a=n9Fe_nV6AAAA:8 a=x8JhEuIrCajjPMggPtkA:9
  a=PEF53iIozS7NwpkX:21 a=_W_S_7VecoQA:10 a=lqcHg5cX4UMA:10
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Received: from [45.137.126.85] (port=62285 helo=[185.198.243.176])
        by cp-in-14.webhostbox.net with esmtpsa  (TLS1.2) tls 
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
        (Exim 4.96.2)
        (envelope-from<pe...@hadcloud.com.br>)
        id 1sZcGi-002goN-2w


Technically yes, that's Cloudmark (owned by Proofpoint) - but no, "Echospoofing" has nothing to do with Cloudmark at all.

To my knowledge, .pphosted.com (hosted Proofpoint enterprise mail clusters) were the primary affected targets.

- Mark Alley
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