Knowledgebase: Inbound Mail Flow
What is the difference between Spam and Opt-in Email?
Posted by Travis J, Last modified by Lee Conrad on 18 September 2019 02:07 PM

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Help System URLhttps://help.proofpoint.com/Proofpoint_Essentials/Administrator_Topics/110_logs/What_is_the_difference_between_Spam_and_Opt-in_Email%3F?mt-draft=true

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