Hello! We recently have had a huge change in bounce rate (25%+). We are a subscription based company who sends emails for daily updates.
The new website was released, and then all of the sudden the bounce rate spiked and the primary reason I’m seeing is “553 5.1.8 Domain of sender address does not exist”. Our domain stayed the same, the email it’s coming from is the same, etc.
What am I missing?
Best answer by kaila.lawrence
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