# The Deliverability Mistakes Killing Your Newsletter Open Rates with Alyssa Dulin Page: https://stenobird.com/podcast/growth-in-reverse-newsletter-email-growth-7107720/the-deliverability-mistakes-killing-your-newsletter-open-rates-with-alyssa-dulin Text version: https://stenobird.com/podcast/growth-in-reverse-newsletter-email-growth-7107720/the-deliverability-mistakes-killing-your-newsletter-open-rates-with-alyssa-dulin.md Podcast: [Growth In Reverse: Newsletter & Email Growth](https://stenobird.com/podcast/growth-in-reverse-newsletter-email-growth-7107720) Published: 2026-06-10T09:00:00+00:00 Episode link: https://share.transistor.fm/s/c5b39dff Audio file: https://media.transistor.fm/c5b39dff/ec4dca38.mp3 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/growth-in-reverse-newsletter-email-growth-7107720/episodes/the-deliverability-mistakes-killing-your-newsletter-open-rates-with-alyssa-dulin Duration seconds: 3159 ## Resource Check out the 30 Days of Growth: 30daysofgrowth.co/ Get the Growth Vault: growthinreverse.com/vault *** Alyssa Dulin is Kit 's deliverability expert. She joined us to pull back the curtain on one of the most misunderstood forces shaping newsletter success: deliverability. We sat down with her to unpack why emails land in spam, what the big Gmail and Yahoo changes really mean for individual creators, and how to build a sending reputation that lasts. From domain warmups to fake opens to bot clicks, this episode covers the stuff most newsletter creators won't learn until something goes wrong. KEY TAKEAWAYS The custom domain mistake tanking open rates — and how to make the switch Why your sender reputation works like a credit score, and what "starting at zero" actually means for deliverability The top 3 subscriber engagement signals ranked by impact How long you should wait before removing inactive subscribers What actually happens to your sender reputation if you take a break from sending Alyssa's deliverability checklist for newsletter creators How to onboard Creator Network and "recommendation" subscribers without hurting deliverability The uncomfortable truth about whether your open rates and click rates are even real How AI inbox summaries are becoming the new gatekeeper between your email and your reader How to safely increase your send frequency without triggering spam filters LINKS MENTIONED Kit — email platform used by Alyssa and the hosts Google Postmaster Tools — monitor your domain reputation and complaint rates with Gmail SendGauge — Alyssa's new deliverability intelligence platform (beta) Deliverability Defined Podcast — Alyssa's podcast with the deliverability back catalog Kit deliverability support: deliverability@kit.com FOLLOW ON SOCIAL Chenell : Twitter… ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/growth-in-reverse-newsletter-email-growth-7107720/episodes/the-deliverability-mistakes-killing-your-newsletter-open-rates-with-alyssa-dulin/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/growth-in-reverse-newsletter-email-growth-7107720/the-deliverability-mistakes-killing-your-newsletter-open-rates-with-alyssa-dulin.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.