> For the complete documentation index, see [llms.txt](https://blog.senderwiz.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://blog.senderwiz.com/topics/sender-reputation/case-study-how-we-recovered-and-improved-our-sender-reputation.md).

# Case Study: How We Recovered and Improved Our Sender Reputation

***

### From Spam Folder to Inbox Hero 📥

Every email marketer faces the nightmare eventually: open rates dropping, inbox placement tanking, and no clear idea why. That was our reality just a few months ago.

We were dealing with a **bad sender reputation**—the kind that sends emails straight to spam, tanks engagement, and shakes client confidence.

But instead of panicking, we took action. This is the story of **how we recovered our sender reputation** step-by-step—and how you can too. 💡

***

### 📉 The Problem: Sudden Drop in Performance

Everything seemed fine… until it wasn’t.

* **Open rate** dropped from 32% to 11%
* **Bounce rate** climbed to 6%
* **Spam complaints** hit 0.4% (well above the safe 0.1%)
* Campaigns were landing in junk across Gmail, Outlook, and Yahoo

Our Sender Score dropped below 70. Blacklists? ✅ We were on two.

We realized it was time for a complete **sender reputation reset**.

***

### 🔍 Root Cause Analysis: What Went Wrong?

We reviewed everything, and the issues added up quickly:

* Sending to unengaged and outdated lists 🧟
* No domain warm-up after switching email platforms
* Lacked consistent sending patterns
* Weak authentication (DMARC was missing!)
* Limited visibility into engagement metrics

The fix? A **multi-phase strategy** that prioritized reputation repair over short-term volume.

***

### 🔧 The Recovery Strategy: 6 Steps That Worked

***

#### 1. 🧼 Cleaned Our Email List (Aggressively)

* Removed all hard bounces
* Suppressed inactive users from the last 90 days
* Verified all new uploads using an external verification tool
* Stopped sending to role-based emails (like info@, admin@)

💡 **SenderWiz** automatically flagged invalid syntax and duplicates, helping us start fresh without spreadsheet headaches.

***

#### 2. 🔐 Set Up Full Authentication

We implemented:

* SPF
* DKIM
* DMARC (with enforcement policy and monitoring)

This was a **trust signal** inbox providers had been waiting for.

💡 SenderWiz guided us through the DNS configuration for each domain and even validated it live during setup.

***

#### 3. 🔄 Switched to Smart Rotation and Content Variability

To avoid being flagged as repetitive or spammy:

* We rotated subject lines, From names, and email content
* Avoided identical campaigns to large segments
* Used SenderWiz’s rotation engine to auto-shuffle variations

This improved engagement and helped dodge content-based filters.

***

#### 4. 📈 Rebuilt Engagement with a Smaller Audience

We focused only on our most engaged subscribers:

* Top 5,000 users who had opened or clicked in the last 30 days
* Sent educational, value-driven emails (no sales blasts)
* Personal tone, helpful subject lines, and relevant CTAs

💡 SenderWiz’s behavioral segmentation helped us isolate this “power group” fast.

***

#### 5. 🕒 Sent on a Consistent Schedule

We stopped ad-hoc sends and adopted a fixed pattern:

* Twice weekly, on Tuesday and Thursday
* Sent between 9 a.m. and 12 p.m. in the recipient's **local time zone**

💡 SenderWiz’s time zone–based scheduling allowed us to stay consistent, globally 🌍

***

#### 6. 🧪 Monitored Reputation and Adjusted Constantly

We used:

* Google Postmaster Tools
* GlockApps inbox testing
* Real-time dashboards in SenderWiz

Whenever metrics dipped, we paused, investigated, and tweaked. No blind sending.

***

### 📊 The Results: From Crisis to Comeback

Here’s what changed over the next 8 weeks:

| Metric          | Before | After       |
| --------------- | ------ | ----------- |
| Open Rate       | 11%    | **28%** ✅   |
| Spam Complaints | 0.4%   | **0.02%** ✅ |
| Bounce Rate     | 6%     | **1.2%** ✅  |
| Inbox Placement | 53%    | **78%** ✅   |
| Sender Score    | 68     | **93** ✅    |

We were off blacklists, back in the inbox, and—most importantly—trusted again by our audience.

***

### What We Learned (So You Don’t Have to)

* **Authentication is everything** — set it up before you send
* **Clean lists beat big lists**
* **Reputation isn’t lost in a day — and recovery isn’t instant**
* **Smart tools like SenderWiz make recovery easier, faster, and more data-driven**

***

### Final Thought: Every Reputation Can Be Rebuilt

If your sender reputation has taken a hit, don’t give up. What matters most is how quickly and smartly you respond.

✅ Start small\
✅ Focus on engagement\
✅ Monitor obsessively\
✅ Use smart tech

With SenderWiz on your side — from authentication and segmentation to rotation and warm-up — you can recover, rebuild, and rise higher than ever before 🚀