View Single Post
Old 6 Dec 2018, 02:54 AM   #7
SideshowBob
Essential Contributor
 
Join Date: Jan 2017
Posts: 278
It's very easy to spoof header from addresses, so it's understandable that they don't whitelist a DMARC fail. However, if you look at the X-Spam-known-sender header, it ends in "in-addressbook", which I presume you could use in a bit of sieve script to get the behaviour you want.
SideshowBob is offline   Reply With Quote