Email Authentication

ab.pl

SPF

pass
Declares which servers may send mail for this domain.
v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com include:_spf.emaillabs.co include:_spf1.ab.pl include:_spf2.ab.pl include:_spf3.ab.pl include:emsd1.com include:spf-de.emailsignatures365.com  ~all

DKIM

pass
Cryptographic signature on outbound mail (selector: default).
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqErVqnIl9lB8PupTcM+rWbzoFotaPGkif8Q26ZwyQIXRl9lbaDlL41W4iEn2EhsX8OfMO6AE0KXn/y9kpKvN5JXPWD8283iL2uxhCWp2WBiMKirBB5RsipkKuHdkBxlIdT/HpzGQ1VTNMFYlKRv4Qw1/7SlGsTg3UTPOvFW9pao1KUDmTPF+YZ2E+UZqS1orhwLDK+640aTOUBFpU9hx9Sx1dPSeg5e8LgMkGSYk8ZnO1OVnzUh0QAkMnBUw9N95DdvXm6E5i0zSEtMz1NoiC4DxgRf4mTq5+zHpSQWYLlujBOsZ0KA7sb1tUI2gcVYs/tEudezpUq2BVKrn33KTdQIDAQAB

DMARC

warning
Tells receivers what to do with mail that fails SPF/DKIM. Policy: none.
v=DMARC1;p=none;pct=0;rua=mailto:dmarc@vercom.pl,mailto:dmarc@ab.pl

Mail Servers (MX)

5 mx.ab.pl