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If you're using our public mirrors, you need to check your return codes, and soon... here's why. spamhaus.org/news/article/8…
#returncodes #config #MTA #Spamhaus
#returncodes #config #MTA #Spamhaus
We are implementing 3 new return codes in March. These are error codes, not reputation codes.
If you are not parsing these codes correctly all query responses may be treated either as "LISTED" or "NOT LISTED." Both results may potentially have disastrous outcomes.
