How do I sign up for FBLs?

FBL registration varies by provider but follows similar patterns:

Visit the provider's postmaster portal (Microsoft Smart Network Data Services, Yahoo Postmaster, etc.). Create an account and verify your identity.

Register your sending domain or IP addresses. Providers verify ownership through DNS records or authentication checks.

Specify the email address where complaint reports should be sent. This address must be capable of receiving and processing ARF (Abuse Reporting Format) messages.

Complete any additional verification steps the provider requires.

Registration is like filing paperwork with each port authority to receive official complaint notifications. The process proves you are the legitimate operator and gives authorities a verified channel to reach you.

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