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Power Platform Community / Forums / Power Automate / Strange trigger behavi...
Power Automate
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Strange trigger behavior on "When a new email arrives in a shared mailbox (v2)"

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Posted on by 222

Hi.

 

Some time ago we wanted to try to setup some tracking of emails from specific mailboxes to basically track KPIs on how many emails we are receiving, how many we are replying on them, who is replying, and what tasks are they doing with the emails they receive.

 

This is achieved by having different Folders created in the Inbox folder that categorizes the emails into 3 different categories.

 

Doing the initial setup, we tested this out on 1 mailbox and everything was working as expected.

Since then, we expanded it to handle 4 different mailboxes, and it is now tracking about 30 different folders spread out on the mailboxes, including the Sent folders and Deleted folders.

 

So whenever one of our Mailbox users replys to an email, the flow will trigger because a new email appears in the Sent folder. Similarly, when one of our users moves an email to a specific category folder, it will trigger a flow.

 

However, we are starting to experience a pretty big hole in our data where the triggers for all the different category folders does not seem to always work.

The Inbox triggers that records when an email is received as well as the Reply Sent and Deleted triggers are working fine 100% of the time, but our custom folders are not always triggering.

 

This happens many times a day, and it happens on all types of emails. We have some scheduled reports being sent out, and even though they are the exact same emails just sent once a day, they will sometimes trigger the flow, and sometimes it wont trigger the flow.

 

We have attempted various things, and we are seeing some improvements - but are still experiencing holes in the data that is not acceptable.

 

Our triggers that trigger on the different folders look like this:

Gematria_0-1707989373035.png

Yet they tend to not trigger at all.

 

I have double checked folder IDs with the actual Folder IDs, and they match. 

My last thought is that we are somehow reaching a limit on the amount of triggers happening from the Email connection we are using, but I am not entirely sure that is the issue since the Triggers for the standard folders (Inbox, Reply Sent, Deleted) triggers 100% of the time.

 

Any help would be much appreciated as this has been doing my head in for a week or so now.

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I have the same question (0)
  • David_MA Profile Picture
    12,982 Super User 2025 Season 2 on at

    I am not positive about this, but I was setting up a flow on a folder this weekend. If I moved a file from the inbox to the folder where I set up the trigger and the e-mail was marked as read, the flow did not trigger. However, if I moved the e-mail and made sure it was not marked as read, the flow would trigger. I don't have a lot of flows with Outlook triggers, so it could be something else.

  • VictorIvanidze Profile Picture
    13,073 on at

    Create a scheduled flow and scan the folders.

  • Gematria Profile Picture
    222 on at

    That would be one of my solutions if the Trigger itself could not be fixed (Currently working with Microsoft Support on finding the problem) - only issue would be we wouldnt have the Timestamp on when the email was actually moved to the folder, which defeats part of our purpose with the process.

  • Gematria Profile Picture
    222 on at

    Hi.

     

    No it is not related to the email being read.

    If I find an email that the trigger did not pick up, move it to another mailbox, and then moving it back - I can usually force it to trigger.

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