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SPF result code

Unusually broad SPF network

spf.network_too_broad

What does this finding mean?

A large address range expands the set of technically authorised senders.

What is the next step?

Restrict networks to the public sending addresses actually used.

Please note: The result code describes a technical measurement, not a guarantee of delivery, security or legal compliance.

Content reviewed on 20.08.2026.