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PaulD1
Super User
Super User

mail.sendemailv3 failed: the server returned an http error with code 400

Just wondering if others are seeing this error (when sending an email from a Power App) - we have multiple users reporting that they started seeing this error is appearing intermittently this week:

 

mail.sendemailv3 failed: the server returned an http error with code 400

 

There have been no changes to the App, so I'm guessing this may be a service error and would like to confirm/reject that possibility.

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v-albai-msft
Community Support
Community Support

Hi @PaulD1 ,

For this kind of issue, I would suggest you quickly contact with Microsoft post-sales support team. You will get a most effective reply from there. The support engineers there have more resources(latest information about new updates or server issue), maybe they already had handled these kind of issues recently.
https://admin.powerplatform.microsoft.com/support 

Best regards,

Allen

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v-albai-msft
Community Support
Community Support

Hi @PaulD1 ,

For this kind of issue, I would suggest you quickly contact with Microsoft post-sales support team. You will get a most effective reply from there. The support engineers there have more resources(latest information about new updates or server issue), maybe they already had handled these kind of issues recently.
https://admin.powerplatform.microsoft.com/support 

Best regards,

Allen

View solution in original post

PaulD1
Super User
Super User

Thanks @v-albai-msft 

Looks like it wasn't a widespread issue and seems to have cleared up within a few hours (no more reports of issues).

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