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Prevent mailing loop

I built a simple flow: Every incoming mail of a shared mailbox is answered by my flow. So far so good, this works.

BUT: If the sender has a automatic reply too, it escalates quickly. Suddenly, you have 1000+ mails in your inbox.


My question: How can you avoid this type of loop? Can you limit the executions per hour or something like that?


I hope, someone can solve this! Thank you!

Resident Rockstar
Resident Rockstar

@one2know I understand the issue and unfortunately there is nothing for us to recognize if the email is automatic reply but I did observe one thing that automatic reply is sent only once to a user so even if a user has set automatic reply I will send Automatic reply only once.



In above example when I sent email OK2 an automatic reply was sent but again when I send email OK3 automatic reply was not sent to me. You can try this and I think it should be OK and it would get stuck in infinite loop.


Also there is no way to set execution limits.


Hope this helps.


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Usually, auto reply email have the words "auto reply" or "automatical reply" in the subject.

Therefore, adding a condition to filter out these will help here.

auto reply condition.png


Memorable Member
Memorable Member

Create a distribution list with no members and send as this list.

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