Gregory's Server@jwildeboer where can I read more about their excuse? On the surface this sounds like pretty shocking behaviour.
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Top-level
@jwildeboer where can I read more about their excuse? On the surface this sounds like pretty shocking behaviour. 1 comment
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@jwildeboer for anyone else getting here an embarrassingly quick search found me the answer https://sec-consult.com/blog/detail/smtp-smuggling-spoofing-e-mails-worldwide/