Sending mail to Facebook
Make sure you are RFC compliant.
to view the RFC repository.
Ensure your DNS and reverse DNS records are correct.
Facebook requires that your domain have a properly configured MX or A record.
Facebook requires mail servers to have fully qualified reverse DNS.
Follow best practices for monitoring your outbound email.
Facebook does not currently offer feedback loops or delivery reporting.
Facebook returns detailed
to inform you of delivery issues.
Make sure your mail server has a static IP address.
Facebook does not accept mail from dynamic IP space.
Contact your ISP for a static IP address or for information on routing mail through their mail servers.
Facebook requires Domain Authentication and will accept either SPF records or DKIM signed mail.
Publishing your SPF records:
DomainKeys Identified Mail signing: