Are you tired of paying hundreds of dollars every month for email marketing platforms? BillionMail is here to change that. This free, open-source email server and marketing platform lets you send unlimited emails from your own server with zero monthly fees.
If you're currently using Mailchimp, Brevo (Sendinblue), Klaviyo, ConvertKit, or cold email tools like Lemlist and Apollo, this is your cost-saving answer.
What is BillionMail?
BillionMail is an open-source, self-hosted email server and marketing solution that combines:
- Email Marketing (campaigns, newsletters, automation)
- Cold Email (unlimited sending with no speed limits)
- Newsletter Management (subscriber lists, segments, tags)
- Mail Server (SMTP/POP3 functionality)
- AI-Powered Email Designer (create branded emails in seconds)
And the best part? It's completely free to use forever. No usage limits. No hidden fees. No vendor lock-in.
Installation: Just One Command
Forget complex setups and lengthy documentation. BillionMail installs in 8 minutes with a single command:
cd /opt && git clone https://github.com/aaPanel/BillionMail && cd BillionMail && bash install.sh
That's it. After running this command, you'll have a fully functional email marketing platform ready to use.
Why One-Command Installation Matters
- No DevOps expertise required — Works on any Linux server
- Automatic SSL certificates — HTTPS enabled by default
- Built-in database setup — Everything configured automatically
- No manual configuration files — Sensible defaults included
Cost Savings: Self-Hosting vs. SaaS
Let's compare what you'll pay annually with popular email marketing platforms vs. hosting BillionMail yourself:
Annual Costs Comparison
| Platform | Tier | Monthly Cost | Annual Cost | Emails Limit |
|---|---|---|---|---|
| Mailchimp | Growth (10K contacts) | $50 | $600 | 10,000 contacts |
| Brevo (Sendinblue) | Premium | $99 | $1,188 | Unlimited |
| Klaviyo | Standard (10K contacts) | $95 | $1,140 | 10,000 contacts |
| Lemlist | Pro (cold email) | $99 | $1,188 | Unlimited |
| Apollo | Pro (B2B prospecting) | $119 | $1,428 | Unlimited |
| ConvertKit | Creator (1000 subscribers) | $49 | $588 | 1,000 subscribers |
| BillionMail | Self-Hosted | ~$10-15 | $120-180 | ✅ Unlimited |
BillionMail costs assume a basic $10-15/month VPS (e.g., Linode, DigitalOcean, Vultr)
Your Savings
- Single Product Replacement (vs. Mailchimp): Save $420-480/year
- Cold Email Alternative (vs. Lemlist): Save $1,008-1,068/year
- Multiple Tools Combined (vs. Mailchimp + Lemlist): Save $1,428-1,668/year
- Over 5 Years: Save $2,100-8,340 depending on your use case
[Screenshot Placeholder: Cost comparison chart showing annual savings]
Features: Everything You Need for Email Marketing & Cold Outreach
📧 Email Campaign Management
- Unlimited Contacts — Store millions of subscribers at no additional cost
- Segmentation & Tags — Create targeted campaigns based on customer behavior
- Schedule Campaigns — Send emails at optimal times automatically
- A/B Testing — Test subject lines and content to maximize open rates
- List Management — Import, export, and manage subscriber lists easily
🤖 AI-Powered Email Designer
The new AI assistant makes email creation effortless:
- Describe Your Email — Tell the AI what you want in natural language
- AI Generates Content — Get a branded, professional email instantly
- Test & Download — Preview and download as HTML to customize further
This means you can create professional marketing emails in minutes, not hours.
🚀 Cold Email & Unlimited Sending
- No Built-in Speed Limits — Scale campaigns without restrictions
- Unlimited Email Volume — Send 1 million+ emails with zero throttling
- Deliverability Optimization — Built-in guidance for SPF, DKIM, DMARC setup
- Perfect for Outreach — Ideal for sales teams and business development
📊 Real-Time Analytics Dashboard
Monitor campaign performance with live metrics:
- Sent Volume — Track total emails delivered
- Deliverability Rate — Monitor inbox placement
- Open Rate — See how many recipients opened your email
- Click-Through Rate (CTR) — Measure engagement and conversions
- Bounce Reasons — Identify and fix deliverability issues
All metrics display on your homepage dashboard for instant visibility.
🔐 Enterprise-Grade Security
- Full Data Control — Your emails stay on your server
- No Third-Party Tracking — Complete privacy for your subscriber data
- SSL/TLS Encryption — Automatic HTTPS setup
- Secure Login — Support for email + password or Google authentication
- Open Source — Transparent, auditable code (AGPLv3 License)
📨 Multiple Sending Modes
- SMTP Server — Use BillionMail as your mail server with any application
- Email Marketing — Built-in campaign builder
- Newsletter Distribution — Send bulk newsletters to subscriber lists
- API Integration — Programmatic email sending for developers
Who Should Use BillionMail
E-commerce Stores: Replace Mailchimp with unlimited contacts and segments. Use for order notifications, cart recovery, and promotional campaigns.
SaaS Companies: Build unlimited newsletters and automated email sequences. Send transactional emails via SMTP with complete control.
Sales Teams: Replace Lemlist or Apollo for cold email outreach. Send unlimited emails with no speed limits or usage restrictions.
Agencies & Freelancers: Save 10-15x on email marketing costs. Offer white-label email service to your clients.
Newsletter Publishers: Send unlimited newsletters to subscribers. Complete subscriber management and segmentation included.
Affiliate Marketers: Build large email lists without paying per-contact fees. Send promotional campaigns at scale.
The Open-Source Advantage
BillionMail is built on open-source principles:
✅ No Vendor Lock-in — You own your data and can export it anytime ✅ Community-Driven — Active development and contributions from developers worldwide ✅ Transparent — Source code is publicly available on GitHub ✅ Customizable — Modify and extend functionality to your needs ✅ Free Forever — License under AGPLv3 means it stays free
GitHub Repository: aaPanel/BillionMail
Getting Started: 3 Simple Steps
Step 1️⃣ Install BillionMail
cd /opt && git clone https://github.com/aaPanel/BillionMail && cd BillionMail && bash install.sh
Takes just 8 minutes. That's it.
Step 2️⃣ Connect Your Sending Domain
- Add your domain (e.g., mail.yourdomain.com)
- Verify DNS records (SPF, DKIM, DMARC)
- Free SSL certificate auto-enabled
Step 3️⃣ Build Your Campaign
- Write or paste your email content
- Choose your subscriber list
- Add tags for segmentation
- Set send time or send immediately
That's all it takes to go from zero to sending campaigns.
Live Demo
Want to see BillionMail in action before installing? Check out the live demo:
BillionMail Demo: https://demo.billionmail.com/billionmail
Login Credentials:
- Username: billionmail
- Password: billionmail
Explore the full interface, build campaigns, and test the AI email designer without any commitment.
WebMail: RoundCube Integration
BillionMail comes with RoundCube integrated, allowing you to access webmail directly from your installation. Simply navigate to:
/roundcube/
This gives your users a complete email client experience directly within BillionMail, perfect for teams and organizations that need traditional email access alongside marketing campaigns.
Comparison: BillionMail vs. SaaS Alternatives
| Feature | BillionMail | Mailchimp | Brevo | Klaviyo |
|---|---|---|---|---|
| Cost (Annual) | $120-180 | $600+ | $1,188+ | $1,140+ |
| Email Limit | Unlimited | Limited by tier | Unlimited | Limited by contacts |
| Cold Email | ✅ Yes | ❌ No | ❌ No | Limited |
| Data Ownership | ✅ 100% Yours | ❌ SaaS | ❌ SaaS | ❌ SaaS |
| AI Email Designer | ✅ Yes | ❌ No | ✅ Yes | ❌ No |
| A/B Testing | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| Automation | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| API Access | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| Open Source | ✅ Yes | ❌ No | ❌ No | ❌ No |
| Self-Hosted | ✅ Yes | ❌ No | ❌ No | ❌ No |
| No Monthly Fees | ✅ Yes | ❌ No | ❌ No | ❌ No |
BillionMail wins on cost, data ownership, and flexibility — giving you enterprise features at a startup price.
Real-World Scenarios: How Much You Save
Scenario 1: E-commerce Store (50K Subscribers)
- Mailchimp: $99/month × 12 = $1,188/year
- BillionMail: $15/month × 12 = $180/year
- Annual Savings: $1,008 ✅
Scenario 2: Sales Team (Cold Email)
- Lemlist Pro: $99/month × 12 = $1,188/year
- BillionMail: $15/month × 12 = $180/year
- Annual Savings: $1,008 ✅
Scenario 3: Multi-User Setup (5 Team Members)
- Brevo Pro (5 licenses): $99 × 5 × 12 = $5,940/year
- BillionMail (single server): $15 × 12 = $180/year
- Annual Savings: $5,760 ✅
Frequently Asked Questions
Q: Is BillionMail reliable for sending critical transactional emails? A: Yes! BillionMail includes SMTP functionality for transactional emails. With proper DNS configuration (SPF, DKIM, DMARC), deliverability matches commercial platforms.
Q: What if I have 10 million subscribers? A: BillionMail can handle it. You can upgrade to a larger server as needed (still costing a fraction of SaaS alternatives).
Q: Can I switch from Mailchimp to BillionMail? A: Yes! Export your subscriber list from Mailchimp and import it into BillionMail in minutes.
Q: Is it really open source? A: Yes, licensed under AGPLv3. Full source code is available on GitHub.
Q: Can I customize the interface? A: Absolutely! Being open source, you can fork, modify, and extend it to your needs.
Q: What servers does it run on? A: Works on any Linux server (Ubuntu, CentOS, Debian). Perfect for DigitalOcean, Linode, Vultr, AWS EC2, etc.
Start Saving Today
Stop paying hundreds of dollars monthly for email marketing. Install BillionMail in 8 minutes and own your email infrastructure.
Next Steps:
- Check Requirements — Linux server with 2GB RAM minimum
- Run Installation — One command setup
- Add Your Domain — Configure DNS records
- Start Sending — Launch your first campaign
Resources:
The Bottom Line
BillionMail is the answer for anyone tired of paying SaaS pricing for email marketing. Whether you're replacing Mailchimp, running cold email campaigns instead of Lemlist, or managing newsletters, you'll save thousands of dollars annually while gaining complete control of your data.
With unlimited emails, AI-powered design, real-time analytics, and enterprise security — all for one low self-hosting cost — BillionMail is the smartest choice for budget-conscious teams and businesses.
Ready to cut your email costs by 80-90%? Install BillionMail today.