John Hardin <jhar...@impsec.org> writes: > On Mon, 24 Aug 2020, Marc Roos wrote: > >> You should use spf for this. > > Duh. > > +1 > > whitelist_auth *@amazon.com > blacklist_from *@amazon.com > whitelist_auth *@*.amazon.com > blacklist_from *@*.amazon.com
I do not understand this, how does this work?
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micah
