top | item 25809700 (no title) LoSboccacc | 5 years ago you can check that the envelop and message sender header match at the mx level and let spf handle the rest discuss order hn newest networkimprov|5 years ago There is no authentication of the John Doe part of John Doe <not.john.doe@example.com> LoSboccacc|5 years ago DMARC
networkimprov|5 years ago There is no authentication of the John Doe part of John Doe <not.john.doe@example.com> LoSboccacc|5 years ago DMARC
networkimprov|5 years ago
LoSboccacc|5 years ago