Email Authentication
my3cx.ru
SPF
noneDeclares which servers may send mail for this domain.
No record published.
DKIM
noneCryptographic signature on outbound mail (selector: none).
No record published.
DMARC
passTells receivers what to do with mail that fails SPF/DKIM. Policy: reject.
v=DMARC1;p=reject;sp=reject;pct=100;adkim=s;aspf=s;rua=mailto:admin@my3cx.ru;ruf=mailto:admin@my3cx.ru;fo=1