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Why am I receiving a NDR stating "5.0.0 smtp; 5.3.0 - Other mail system problem 552-'MS-Office file containing VBA macros found inside of the email" from my Barracuda Spam & Virus Firewall?

  • Type: Knowledgebase
  • Date changed: 2 years ago

Solution #00005694


Scope:

This solution applies to the Barracuda Spam and Virus Firewall, all firmware versions.

Answer:
You may receive a NDR from your Spam & Virus Firewall that states the following:

5.0.0 smtp; 5.3.0 - Other mail system problem 552-'MS-Office file containing VBA macros found inside of the email

This message is seen when a Sonicwall firewall is doing inline SMTP scanning on your mail flow.

Disabling this feature on the Sonicwall firewall should resolve this issue.

Link to this page:

https://campus.barracuda.com/solution/50160000000IYkqAAG