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Setting up SPF for a language school
2 Apr 2025
How a language school deals with SPF — and what usually goes wrong.
The problem: a lastmod stamp that never changes. The SPF check fails for a language school.
Related work on this site follows the same principle: one job, a real inbox, no theatre. a language school did not need four analytics dashboards to know that Tuesdays are slow.
Instead of migrating SPF all at once, we ran both configurations in parallel for a week. The switch happened on a Wednesday morning — the quietest traffic window.
Most of the damage we see in SPF comes from doing too much. A single correct record beats three that were supposed to be clever.
We check SPF for a language school once a quarter. It takes five minutes and has caught two problems in the past year. Both would have caused downtime within a week.
Maintenance is not glamorous, but it is the reason a language school has not had downtime since we took over SPF. The invoice is small and the peace of mind is large.
Email deliverability is nobody’s favourite topic, but a language school lost two bookings because SPF was misconfigured and replies landed in spam for a week.
a language school asked us to look at SPF after a customer screenshot showed a browser warning. The fix took eleven minutes; finding the cause took two hours.
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