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t_nicholson1's profile

New Member

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1 Message

Thursday, September 8th, 2022 2:17 PM

Client is receiving "5.2.0 (unknown mailbox-related status)"

When messages are sent to generate a SMS text messages they are not delivering and impacting services within our organization. The client is requesting an engineer to engage for support in remediation.

ACE - Expert

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64.7K Messages

2 years ago

This is a customer populated forum, not official ATT support. You will not engage an engineer here. Even if ATTHelp responds, they are not technical support.

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