Stealth-mode outreach at scale

Cold Email That Lands in the Inbox

Launch hyper-targeted campaigns, warm up your domains, manage leads, and track every open & click — all from one stealthy dashboard.

🚀 Get Started Free See Features ↓
99%
Inbox Placement
10x
More Replies
Sending Accounts
24/7
Auto Warmup
Features

Everything You Need to Scale Outreach

From domain warmup to reply management — Mailing Ninja has you covered.

📧

Multi-Sender Campaigns

Rotate across unlimited sending accounts with smart daily limits and send windows to maximize deliverability.

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Domain Warmup

Integrated warmup via Instantly keeps your domains healthy. One-click enable/disable right from your dashboard.

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Real-Time Analytics

Track opens, clicks, bounces, and replies in real time. Campaign-level and account-level breakdowns.

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Master Inbox

All replies from Elastic Email and ZapMail accounts land in a unified inbox with threaded conversations.

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Smart Automations

Follow-up sequences triggered by opens, clicks, no-reply, or custom delays. Set it and forget it.

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Built-in CRM

Import leads, assign to campaigns, track engagement status, and manage your pipeline — all in one place.

How It Works

From Setup to Inbox in Minutes

Get up and running with Mailing Ninja in 3 simple steps.

Connect Accounts

Add your Elastic Email, ZapMail, or Instantly accounts. Sync mailboxes with one click.

Build & Launch

Create campaigns with templates, custom tags, and automated follow-ups. Hit send.

Track & Reply

Watch opens and clicks roll in. Reply to leads directly from the Master Inbox.

Ready to Go Stealth?

Join the ninjas who are landing in inboxes — not spam folders.

🥷 Start Sending Now