Identify auto generated Emails from headers

Question

Identify auto generated Emails from headers

Avinash Kashyap 1

How can we identify if a mail received is an auto-generated one (OOO) from its headers?
It is required for functionality in the product, otherwise, we are entering in an infinite loop of auto-generated emails to and forth.

Joyce Shen - MSFT 16,701 Reputation points

2021-12-27T03:00:07.96+00:00

Hi @Avinash Kashyap

Agree with Andy, I checked the message header of an oof message Auto-Submitted: auto-generated in my environment.

And a related thread here: How to set Auto-Submitted email header sending email via GRAPH API

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Joyce Shen - MSFT 16,701 Reputation points

2021-12-28T06:18:58.567+00:00

Hi @Avinash Kashyap

Any progress? Have you checked the suggestion below?

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Joyce Shen - MSFT 16,701 Reputation points

2021-12-27T03:00:07.96+00:00

Hi @Avinash Kashyap

Agree with Andy, I checked the message header of an oof message Auto-Submitted: auto-generated in my environment.

And a related thread here: How to set Auto-Submitted email header sending email via GRAPH API

If an Answer is helpful, please click "Accept Answer" and upvote it.

Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.
Joyce Shen - MSFT 16,701 Reputation points

2021-12-28T06:18:58.567+00:00

Hi @Avinash Kashyap

Any progress? Have you checked the suggestion below?

If an Answer is helpful, please click "Accept Answer" and upvote it.

Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

Answer 1

Andy David - MVP 157.8K MVP Volunteer Moderator

If the messaging system follows RFC3834

https://datatracker.ietf.org/doc/html/rfc3834

Automatic responses SHOULD NOT be issued in response to any
message which contains an Auto-Submitted header field (see below),
where that field has any value other than "no".

As an example, in Exchange Online, the following is the header of an OOF:
Auto-Submitted: auto-generated

So look for that header and handle based on that.

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Identify auto generated Emails from headers

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