Best answer by heather_hansen
View originalIs there a list of the most common email validator blacklist reasons and what they mean?
Userlevel 4
+3
I'm looking for a list of all (or at least the most common) reasons that cause an email to be blacklisted. Some are self explanatory, but I seem to have run into a few lately that need some translating. I want to make sure I'm not just removing them from the blacklist to have them be put back on immediately the next time we attempt to email them.
Userlevel 7
+10
I think this link was what Support sent me a while back.
https://sendgrid.com/docs/for-developers/sending-email/smtp-errors-and-troubleshooting/#response-codes
https://sendgrid.com/docs/for-developers/sending-email/smtp-errors-and-troubleshooting/#response-codes
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