8 Klaviyo Deliverability Levers DTC Brands at $50K+/Month Running Klaviyo Are Underusing in 2026

TL;DR

• Klaviyo's Deliverability Hub gives you a score between 0 and 100 — brands scoring below 75 are likely landing emails in spam folders
• Bot click removal has significantly impacted deliverability metrics in some accounts, quietly undermining your actual performance
• Escaping Gmail's Promotions tab puts your emails directly in front of customers who actually open them
• Most brands at $50K+/month skip foundational levers like SPF/DKIM authentication and list hygiene — and pay for it in lost inbox placement
• A focused deliverability strategy belongs at the center of your email marketing, not as an afterthought — it controls whether any of your emails get read

1. Audit Your Deliverability Score in Klaviyo's Deliverability Hub

Pull up Klaviyo's Deliverability Hub right now. This dashboard shows your account-level email health in minutes. According to Yocto Agency, a score between 75 and 89 means 75 to 89 out of every 100 emails actually reach the inbox. If you're below that range, you're bleeding revenue every time you hit send.

Your sender reputation is running unchecked while you're busy tweaking subject lines. Start here before touching anything else — deliverability controls whether your emails land in the inbox. You can't fix what you haven't measured.

2. Stop Letting Bot Clicks Skew Your Klaviyo Metrics

Check your Deliverability Hub before celebrating a high click-through rate. Klaviyo removed bot clicks from CTR calculations, which has significantly impacted deliverability metrics in some accounts. When bots inflate your clicks, Klaviyo's algorithm interprets this as low-quality engagement and starts filtering your messages to fewer inboxes — quietly eroding your reach.

Your campaign dashboard looks healthy while your actual audience shrinks. Ignore campaign-level metrics alone and focus on Deliverability Hub data instead. If your CTR is suspiciously high, your inbox placement is probably suffering more than your reports indicate.

3. Fix Your SPF, DKIM, and Domain Authentication Setup

Your emails are getting flagged before subscribers even open them. Unauthenticated emails get blocked or filtered by Gmail and Outlook at the server level — no amount of subject line testing fixes this. Klaviyo walks you through SPF and DKIM setup during onboarding, but it's easy to rush past it.

Proper authentication is the baseline for your sender reputation. Without it, you're rolling the dice on every campaign. Open your Deliverability Hub today and check for authentication warnings. If you see any red flags, resolve them before your next send. You can't hit a healthy deliverability score without authentication locked down.

4. Escape Gmail's Promotions Tab with Dedicated Strategies

Gmail's tabbed inbox puts your emails in the Promotions tab by default — most subscribers never check it. If you're running Klaviyo and your open rates look solid but conversions are flat, your emails might be sitting unread in the Promotions tab right now.

A good email deliverability score in Klaviyo is between 75 and 89, meaning 75 to 89 out of every 100 emails reach the inbox. Tools like Mailmend help e-commerce brands escape Gmail's Promotions tab to improve email deliverability and customer visibility. Strip out promotional language patterns, increase personal reply triggers that train Gmail you're a real sender, and warm your sending domain consistently. Small tweaks to sender behavior can shift you from the bulk folder to the primary inbox — and that's where real revenue lives.

5. Prune Your List Based on Engagement, Not Just Opt-In Date

Use Klaviyo's engagement filters to suppress subscribers who haven't engaged with your emails in a defined period — suppress non-responders before they drag down your sender reputation with mailbox providers. Inactive subscribers signal that nobody wants your emails, which hurts your deliverability with every provider.

Before you prune, set up a re-engagement flow to give dormant contacts one last chance. Then hard-suppress non-responders. A smaller, engaged list outperforms a large, dead list every time. According to Yocto Agency, a solid Klaviyo email deliverability score sits between 75 and 89 out of 100 emails hitting the inbox. Protect that number by playing the quality game, not the quantity game.

6. Segment Your Audience by Engagement Level Before Every Send

Before you hit send, split your list by open rate, click rate, purchase frequency, and order value. Klaviyo's segmentation engine makes this take minutes, not hours. Highly engaged contacts signal to mailbox providers that your emails belong in the inbox — improving your Klaviyo email deliverability score. Low-engagement contacts get a gentler cadence and different content to avoid triggering spam filters.

Most DTC brands skip this step, missing one of the highest-ROI optimizations available in Klaviyo. That 20 minutes is the highest-ROI time you'll spend in Klaviyo all week.

7. Control Your Sending Frequency and Cadence Consistency

Your Klaviyo email deliverability suffers when you send erratically — one week you're blasting promos, the next you're completely silent. Erratic patterns flag your domain as suspicious to Gmail and Yahoo. Set a consistent cadence and stick to it: predictable send times train mailbox providers to expect your messages and recognize you as a legitimate sender.

Consistency helps you reach or maintain a healthy deliverability score between 75 and 89 (Yocto Agency). Klaviyo's flow and campaign scheduling tools make this straightforward, but many brands treat cadence as an afterthought. The brands that win at email treat their send schedule like a reliable service, not a sporadic newsletter.

8. Optimize Email Content to Drive Real Human Engagement