Email Authentication
jornaldenegocios.pt
SPF
passDeclares which servers may send mail for this domain.
v=spf1 include:spf.xl.pt include:cofina.pt -all
DKIM
noneCryptographic signature on outbound mail (selector: none).
No record published.
DMARC
warningTells receivers what to do with mail that fails SPF/DKIM. Policy: none.
v=DMARC1; p=none; rua=mailto:postmaster@xl.pt; fo=1; adkim=r; aspf=r; pct=100; rf=afrf; sp=none