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Using the Spamhaus Project’s Public Mirrors? Check your return codes now

Posted on
February 11, 2021
Author
Spamhaus Project Team

Introduction

As was announced way back in 2019, the Spamhaus Project is releasing new return codes, namely error codes. The purpose is to indicate to users when Spamhaus’ Public Mirrors are not protecting them. However, if users of the Public Mirrors don’t configure their email infrastructure correctly, they could have some significant issues if or when an error code is returned. Read more here.