Hey there, We've been receiving some rejected messages from Centurylink.net along with a few other domains with the exact same rejection message which seems to suggest they are all related:
centurylink.net tds.net cableone.net wowway.com embarqmail.com I couldn't find any postmaster addresses publicly available, but reached out to some abuse addresses I was able to find, but haven't had any response. Any help would be much appreciated. Omid Majdi Product Lead DuckDuckGo, Inc.
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