Does a Broken SPF Record Send Your Email to Spam? A Seed Test at 21 Providers

Written by Alex Markov

Your ESP says the message was delivered, your SPF checker says the record has a problem, and nothing tells you where the message actually ended up. A broken SPF record can get mail rejected, filed in spam, accepted and never delivered, or delivered to the inbox as if nothing were wrong. Which one you get depends largely on the receiving provider.