5.7.40
gmail
Gmail rejected the message because it did not meet Gmail's sender authentication requirements for your domain.
Usual cause: Usually a missing DMARC record, or mail whose SPF/DKIM domain does not align with the From: domain.
Gmail rejected the message because it did not meet Gmail's sender authentication requirements for your domain.
Usual cause: Usually a missing DMARC record, or mail whose SPF/DKIM domain does not align with the From: domain.