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- 14:20, 11 April 2023 Barry de Graaff talk contribs created page Sending incoming email with bad headers to Junk (Created page with "= Sending incoming email with bad headers to Junk = Email is always evolving and recently Gmail has started to reject email with bad headers for some customers. Rejecting email with bad headers may help protect against DKIM replay attacks (more on replay attacks in an upcoming blog). When we are talking about messages with bad headers, we mean messages that are not compliant with RFC 5322. Emails with duplicated Message-ID header are one example of bad header messages....")
