question

SteveCole-0249 avatar image
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SteveCole-0249 asked JesusMorga-3383 answered

Sending Error: Your message did not reach some or all of the intended recipients.

Your message did not reach some or all of the intended recipients.

   Subject:    `test
   Sent:    10/12/2020 9:57 AM

The following recipient(s) cannot be reached:

   'tammytcole@windstream.net' on 10/12/2020 9:57 AM
         Server error: '554 5.7.1 [R8] Authentication Failed, must login.'

office-teams-windows-itpro
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JimmyYang-MSFT avatar image
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JimmyYang-MSFT answered JimmyYang-MSFT commented

Hi @SteveCole-0249!

Where is this issue happened? Microsoft Teams or outlook client?

Does anyone else have the same issue in your organization?

If this issue happened in Microsoft Teams, do you mean you cannot send or receive message in Teams client?

If so, we recommend you try to sign out Teams client and clean your Teams client cache file. For more details, you can learn it from:

https://www.onmsft.com/how-to/how-to-clear-your-microsoft-teams-cache-on-windows-10


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Hi @SteveCole-0249!

Is there any update on this case?

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Hi @SteveCole-0249!

Do you have any further issue on this topic?

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JesusMorga-3383 avatar image
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JesusMorga-3383 answered

Your message did not reach some or all of the intended recipients.

5 |1600 characters needed characters left characters exceeded

Up to 10 attachments (including images) can be used with a maximum of 3.0 MiB each and 30.0 MiB total.