When i configure Check_DomainKeys_and_DKIM

when I send an email i get this error
2024-06-09 07:50:13 +0000 08 mail SMTP-IN:00000002: DomainKeys verification result: no signature
2024-06-09 07:50:13 +0000 08 mail SMTP-IN:00000002: DKIM verification result: no signature

but I will received email in gmail all records are pass
|SPF:|PASS
|DKIM:|‘PASS’
|DMARC:|‘PASS’ Learn more|

so please update why I am getting this error
mail SMTP-IN:00000002: DomainKeys verification result: no signature
SMTP-IN:00000002: DKIM verification result: no signature