I replied off list.  But what’s the ip?

Sent from my iPhone

> On Aug 26, 2025, at 9:19 AM, Scott Q. via mailop <mailop@mailop.org> wrote:
> 
> 
> Anyone from ProofPoint / CloudMark / CloudFilter ?
> 
> Thanks!
> Scott
> 
> On Thursday, 14/08/2025 at 22:35 Scott Q. via mailop wrote:
> 
> One of our users is getting this bounce when trying to e-mail shaw.ca:
> 
> Remote host said: 554 shw-ibgw-4001a.ext.cloudfilter.net cmsmtp 
> x.x.x.x blocked AUP#BL​
> 
> It's my understanding that cloudfilter.net is part of Cloud Mark from 
> ProofPoint, yet when I check our IP at: https://csi.cloudmark.com/en/reset/
> it's not listed.
> 
> Is it a different list, or that message doesn't mean it's a block list ?
> 
> Thanks!
> Scott​
> 
> ​
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