SPF, DKIM, DMARC, MX, and CAA configuration
SPF
25
/25
DMARC
25
/30
DKIM
0
/20
MX
10
/10
CAA
10
/10
v=spf1 mx ip4:185.142.186.20 -allv=DMARC1;p=quarantine;sp=quarantine;pct=100;rua=mailto:postmaster@syss.de;ruf=mailto:postmaster@syss.de;adkim=r;aspf=rmail01.syss.de.caa_abuse@syss.dedigicert.comgeotrust.comletsencrypt.orgrapidssl.comthawte.comwww.digicert.comglobalsign.com;