Exchange Server
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I would look at the "spam filter"
Exchange OnPrem 2019 not sending auto reply for Message Size Exceed
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Wes K
0
Reputation points
Sending email form my Yahoo and Gmail and it goes through our Spam Filter, but Exchange gives it a ROUTING FAIL event as the message size of 20MB exceeds the users limits. The problem is , I dont get a reply from my exchange to my Yahoo or Gmail that the email was undeliverable. Nothing is in our QUEUE. Please help.
2 answers
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Andy David - MVP 149.1K Reputation points MVP2024-05-10T15:05:59.0933333+00:00 -
Wes K 0 Reputation points
2024-05-10T15:23:17.5266667+00:00 hi Andy, We have a Barracuda Spam Filter and per Barracuda Support, nothing is being blocked. An alternate would be if there is a rule that can be setup so an alternate person in the organization can get Alerts whenever there is a FileExceed email that gets FAIL. that person can then manually check the SPAM and Exchange and notify the recipient as needed. How can a Rule like that be setup?
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Jake Zhang-MSFT 6,375 Reputation points Microsoft Vendor2024-05-13T09:23:56.1933333+00:00 Hi @Wes K,
Welcome to the Microsoft Forum for technical support.
Based on your description, I would like to confirm with you: except Yahoo and Gmail email accounts, do other external account have similar problems?
If not, it may be caused by the account types of Yahoo and Gmai.
If so, the problem may be caused by the Barracuda spam filter. It is recommended that you temporarily turn off this feature and retest to see if the problem persists.
In addition, I recommend that you configure the Postmaster address in your environment to confirm whether an NDR is generated. The Postmaster General is responsible for receiving copies of NDRs and handling issues.
For how to configure the Postmaster address, you can refer to the following steps:
- Log in to the local Exchange admin center.
- Click Mail Flow>Send Connector>...>Organization transport settings.
- Fill in the external postmaster address.
Please feel free to contact me if you have any queries.
Best,
Jake Zhang
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Jake Zhang-MSFT 6,375 Reputation points Microsoft Vendor
2024-05-17T08:03:26.2733333+00:00 Hi @Wes K,
Just wanted to check if the answer shared below helped. If it helped, then would request you to please "Accept the answer" as it would be helpful to others in the community as well. Thanks for your understanding.
Best,
Jake Zhang
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Jake Zhang-MSFT 6,375 Reputation points Microsoft Vendor
2024-05-29T10:06:22.42+00:00 Hi @Wes K,
I would like to know if the problem has been solved. If you still have questions, please feel free to leave me a comment so that I can help you.
Best,
Jake Zhang
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Jake Zhang-MSFT 6,375 Reputation points Microsoft Vendor
2024-05-31T09:23:05.0733333+00:00 Hi @Wes K,
If an answer has been helpful, please consider accepting the answer to help increase visibility of this question for other members of the Microsoft Q&A community. If not, please let us know what is still needed in the comments so the question can be answered. Thank you for helping to improve Microsoft Q&A!
Best，
Jake Zhang
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