Why deliverability matters
Every email metric sits downstream of it: opens, clicks, and revenue all read as campaign failures when the real problem is placement. Mailbox providers score senders continuously, and a damaged reputation throttles the channel silently, no bounce, no error, just spam folders.
What deliverability depends on
- AuthenticationSPF, DKIM, and DMARC in place
- Sender reputationEngagement high, complaints and bounces low
- List qualityPermissioned, cleaned, never purchased
- Sending patternsConsistent volume, warmed-up domains and IPs
Questions
How do you know deliverability is suffering?
Open rates sliding across the board, seed-test placements landing in spam, and postmaster tools showing reputation dips. The channel rarely announces the problem; the metrics whisper it.
How is bad deliverability fixed?
Stop the damage first, pause to unengaged segments, fix authentication, then rebuild: mail the engaged core, keep complaints near zero, and let reputation recover over weeks. There’s no support ticket to Gmail; behavior is the appeal.