Hallo zusammen,
sofern nicht selber schon gesehen/-lesen hier [0] FYI
"mailgoose"
--> von CERT-Polska
--> "... allows the users to check whether their SPF, DMARC and DKIM configuration is set up correctly ..."
VG
Bernd
[0] https://github.com/CERT-Polska/mailgoose
rwth-security@lists.rwth-aachen.de