Error "452 Too many recipients received this hour"
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Error "452 Too many recipients received this hour"

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Article ID: 385809

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Updated On:

Products

Email Security.cloud

Issue/Introduction

Email Security Cloud is attempting to deliver the email and recipient MTA is responding "452 Too many recipients received this hour".

Environment

Email Security Cloud

Resolution

Contact the recipient mail administrator to understand the rate-limiting policy and potentially increase the rate limit as the recipient mail server is throttling Email Security Cloud connections.