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Land in the primary inbox,
never the spam folder.

Even the best email copy and design generate $0 if your subscribers never see them. We fix sender reputation, authenticate your domain, clean your list, and recover primary inbox placement across Gmail, Yahoo, Outlook, and Apple Mail.

⭐⭐⭐⭐⭐5.0 · 752 reviews on Upwork
Email deliverability dashboard showing 99.4% primary inbox placement, 98/100 sender score, and 0.02% compliant spam rate
What You Get

Complete inbox protection, built for revenue.

Complete SPF, DKIM & DMARC authentication

Guided domain & IP warm-up to rebuild reputation

List hygiene, spam-trap removal & sunset flows

Ongoing Google Postmaster & inbox monitoring

DNS Authentication & Sender Compliance

Full compliance with Google, Yahoo & Apple Mail standards.

Mailbox providers now enforce strict authentication rules for bulk senders. We configure your branded sending domain and align every DNS record so inbox filters trust your emails immediately.

  • SPF, DKIM (2048-bit) & DMARC policy alignment
  • Branded sending domain configuration in Klaviyo
  • One-click list-unsubscribe headers & BIMI readiness
Technical DNS authentication matrix showing SPF, DKIM 2048-bit, DMARC pass status, branded sending domain verification, and one-click unsubscribe compliance
30-day guided domain and IP warm-up curve showing open rate recovery from 18% to 48.4% and clean blacklist status
Domain Warm-Up & Reputation Recovery

Rebuild damaged sender reputation without pausing revenue.

Whether you are migrating to Klaviyo, launching a new sending domain, or recovering from a sudden drop in open rates, we run a controlled warm-up that signals high engagement to ISP algorithms.

  • 30-day graduated sending schedule starting with top clickers
  • Blacklist removal & spam complaint remediation (<0.1%)
  • Automated flow prioritization during domain warm-up
List Hygiene & Sunset Architecture

Stop paying to email dead profiles and spam traps.

Repeatedly mailing unengaged subscribers tells Gmail and Outlook your emails are unwanted. We clean your list, build dynamic engagement tiers, and automate sunsetting so your sender score stays high.

  • 30 / 60 / 90-day engaged segment architecture
  • Automated Sunset Flows to suppress unengaged profiles
  • Bot-signup, role account, and hard-bounce suppression
List hygiene filtration funnel separating 30, 60, and 90-day engaged segments from spam traps, hard bounces, and automated sunset flows
Ongoing Postmaster and inbox monitoring radar console showing high Google Postmaster reputation, 100% healthy Microsoft SNDS, and BFCM readiness
Ongoing Postmaster & Inbox Monitoring

Catch deliverability dips before Peak Season or BFCM.

Deliverability isn't a one-time checkbox. We monitor your domain health across Google Postmaster Tools, Microsoft SNDS, and seed-list tests so your biggest campaigns never get throttled.

  • Real-time Google Postmaster & domain reputation tracking
  • HTML code weight, dark-mode & spam-trigger checks
  • Pre-BFCM & high-volume campaign readiness checks
When You Need Us

Signs your store has a deliverability problem

If any of these sound familiar, your email revenue is being throttled at the inbox level.

Open Rates Dropped Below 30%

A sudden or gradual drop in open and click rates usually means Gmail or Yahoo has started routing your campaigns to Spam or Promotions.

High Bounce or Spam Rates

Google and Yahoo require spam complaint rates below 0.10% (and never above 0.30%). Crossing that threshold triggers domain-wide blocking.

Recent ESP Migration or New Domain

Moving to Klaviyo or changing domains without a structured 4-week warm-up schedule causes immediate ISP throttling.

Preparing for BFCM / Major Launches

Doubling or tripling send volume during Q4 without pre-cleaning your list and verifying DMARC can get your domain blacklisted mid-sale.

★★★★★
“Our open rates had tanked to 18% after a bot attack and unauthenticated DNS records. Zahidul cleaned our segments, set up our branded sending domain with DMARC, and ran a 4-week warm-up. Open rates are now consistently above 48%.”
Verified Ecommerce Founder
DTC Brand · Klaviyo Deliverability Recovery · Verified Upwork review
Deliverability Recovery

From spam folder throttling to 48%+ open rates in 30 days

Replaced shared domain sending with a fully authenticated branded domain, removed 14,000+ unengaged/bot profiles, and rebuilt engagement segments.

48.4%
Avg. Open Rate
0.03%
Spam Complaint Rate
+64%
Campaign Revenue Lift

We protect every client’s privacy. Results and reviews appear here only with the client’s permission, with names and company details hidden.

Free Deliverability Check

Not sure if your emails are landing in spam?

Request a free deliverability diagnostic. We will check your DNS records (SPF, DKIM, DMARC), blacklist status, and Klaviyo engagement health, and show you exactly how to fix it.

  • Complete DNS & branded sending domain verification
  • Sender reputation, bounce & spam threshold check
  • Step-by-step inbox recovery roadmap

What's included.

Everything required to authenticate your domain, repair sender reputation, and keep your emails in the primary inbox.

Full sender reputation & blacklist diagnostic
Branded sending domain setup in Klaviyo
SPF, DKIM, DMARC & BIMI DNS authentication
Google & Yahoo bulk sender compliance (One-Click Unsubscribe)
Custom 4–6 week domain & IP warming schedule
Spam trap, hard bounce & bot-signup removal
Engaged segment architecture & sunset flow setup
Google Postmaster Tools & Microsoft SNDS monitoring

How it works.

Three clear phases from diagnostic to full inbox recovery.

01

Deliverability & DNS Audit

We inspect your sending domain, DNS records (SPF, DKIM, DMARC), Google Postmaster data, blacklist status, and Klaviyo engagement tiers to pinpoint why emails are hitting spam or Promotions.

02

Authentication & Repair Plan

We configure your branded sending domain, fix DNS alignment, build strict engaged segments, suppress dead profiles, and deploy a structured warm-up schedule.

03

Inbox Recovery & Monitoring

We monitor bounce rates, spam complaint thresholds (<0.1%), and inbox placement across Gmail, Yahoo, Apple Mail, and Outlook until your open rates and revenue rebound.

Questions, answered.

How long does it take to fix email deliverability?

Technical fixes (SPF, DKIM, DMARC, branded sending domain, and list cleaning) are completed within 3–5 business days. Rebuilding domain reputation with Gmail and Yahoo typically takes 2 to 4 weeks of guided sending to engaged segments.

What are the Google and Yahoo bulk sender requirements?

Any brand sending 5,000+ emails per day must authenticate with SPF, DKIM, and DMARC using a custom sending domain, support one-click list-unsubscribe headers, and keep spam complaint rates strictly below 0.10% (and never above 0.30%). We handle all of this end to end.

Will cleaning our list reduce our email revenue?

No—it increases revenue. Unengaged subscribers rarely buy, but mailing them damages your sender reputation and pushes emails for your actual buyers into spam. Suppressing dead profiles lowers your monthly Klaviyo bill and lifts inbox placement for paying customers.

Do we have to stop sending emails during the warm-up?

No. Your high-performing automated flows (Welcome, Abandoned Cart, Checkout, Post-Purchase) stay active, and campaigns continue going to your most engaged 30–60 day segments while we gradually expand reach.

What access do you need to set this up?

We need Manager/Admin access in Klaviyo (or your ESP), DNS access (or we can send exact copy-paste DNS records to your IT/Shopify admin), and access to Google Postmaster Tools.

Is this a one-time fix or ongoing monitoring?

We offer both: a one-time Deliverability Fix & Warm-Up package to resolve immediate issues, or ongoing monthly monitoring as part of our retention and reporting retainers.

Ready to get your emails out of spam and back into the primary inbox?

Book a Free Deliverability Call →