304
Deliverability tanked after we moved sending domains : here's what fixed it
A client switched sending domains and open rates fell off a cliff. The fix was unglamorous: authentication + warming + suppression. Write-up inside.
3comments304
Topic
Everything that decides whether your email lands in the inbox: SPF, DKIM, DMARC, domain reputation, warming, list hygiene, and how each platform handles deliverability.
A client switched sending domains and open rates fell off a cliff. The fix was unglamorous: authentication + warming + suppression. Write-up inside.
Mostly smooth, but webhooks and template parity were not 1:1. Notes for anyone considering the switch.