tmkruse68Did you ever get an answer to your issue. Our company sends email to text to our employees thru SendGrid and we are getting the same bounce back for our tmobile users.421 tmo-ibgw-5002a.ext.cloudfilter.net cmsmtp 149.72.130.204 blocked AUP#CNCT452 4.1.0 <bounces+14645690-9958-+17072081891=tmomail.net@prod.ehi.com> server temporarily unavailable AUP#MXRT421 tmo-ibgw-5003a.ext.cloudfilter.net cmsmtp too many sessions from 149.72.130.204 AUP#CNCT
I would also like to know the answer. We are experiencing many blocks due to timeouts and too many connection issues and wondering if we are already being throttled?421 tmo-ibgw-5002a.ext.cloudfilter.net cmsmtp 149.72.130.204 blocked AUP#CNCT 452 4.1.0 <bounces+14645690-9958-+17072081891=tmomail.net@prod.ehi.com> server temporarily unavailable AUP#MXRT 421 tmo-ibgw-5003a.ext.cloudfilter.net cmsmtp too many sessions from 149.72.130.204 AUP#CNCT
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