Sending Emails via MS365 Connection - Issue "[429] Application is over its MailboxConcurrency limit."

Question

Hello Community,

We have problems with the action flow when it is triggered automatically after loading a data model.

The action flow is triggered several times (if the filters of the triggers are fulfilled) at the same time (see screenshot).

In the Action Flow we send an email to a specific recipient. In the action flow, we use an MS 365 connection.

Due to this "parallel" triggering, the connection reaches a limit and issues the error "&429] Application is over its MailboxConcurrency limit.".

Microsoft has set the limit for concurrent requests to 4.

Have you had a similar problem? Have you solved the problem?

Thank you very much!

Pablo

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Hello Pablo,

We encouterd a similar issue and worked around it by adding a random sleep module before triggering the email. Hope it helps.

Thank you very much @benjamin.caill. Your proposal is working pretty fine!

benjamin.caill · Answer

Hello Pablo, We encouterd a similar issue and worked around it by adding a random sleep module before triggering the email. Hope it helps.

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