What does an MXToolbox SPF result mean?
An MXToolbox SPF result tells you whether your domain publishes a Sender Policy Framework record, and which mail servers it authorises to send email on your behalf. "SPF Record Published" with a green tick means the record exists and parses; the entries listed after v=spf1 are the services allowed to send as you — your mail host, your invoicing platform, your newsletter tool. The detail that matters is the last mechanism:
- -all (hard-fail) — tells receiving servers to reject anything not on the list
- ~all (soft-fail) — only asks them to treat it with suspicion
Many Australian small business domains publish SPF with ~all (soft-fail) rather than -all (hard-fail) — the most common reason an SPF check passes while spoofed mail still gets through.