SPF, DKIM, DMARC, MX, and CAA configuration
SPF
10
/25
DMARC
25
/30
DKIM
0
/20
MX
10
/10
CAA
10
/10
v=spf1 redirect=_spf.web.dev=DMARC1; p=quarantine; rua=mailto:dmarcreport@web.demx-ha03.web.de.mx-ha02.web.de.digicert.comtelesec.detelesec.deDigicert.comsectigo.comsectigo.com