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The Only Cold Email Stack Worth Using in 2025
Cut through the noise. Here's the actual tech stack that scales cold email for technical founders.
Charles Cormier ·
The Core Stack
Sending Platform: Instantly.ai
- Best deliverability in 2025
- Unlimited sending accounts
- Built-in warmup
- Cost: ~$100/mo
Email Infrastructure: SendGrid + Mailgun
- SendGrid for primary domains
- Mailgun for backup/rotation
- Custom SMTP routing
- Cost: ~$50-200/mo depending on volume
Data Enrichment: Clay + Apollo
- Clay for custom workflows
- Apollo for contact data
- RocketReach for backup
- Cost: ~$300/mo combined
Domain Management: Cloudflare
- DNS management
- Domain rotation
- Analytics
- Cost: $20/mo
What You DON'T Need
- ❌ Lemlist (overpriced, worse deliverability)
- ❌ Outreach.io (enterprise bloat)
- ❌ HubSpot for cold email (not built for it)
- ❌ Woodpecker (outdated)
Total Monthly Cost
- Minimum viable: ~$500/mo
- Optimal setup: ~$1,000/mo
- Enterprise scale: ~$2,000+/mo
The Real Cost: Time
Setting this up correctly takes:
- 2-4 weeks for technical setup
- Another 2-4 weeks for optimization
- Ongoing maintenance: 5-10 hrs/week
This is why most founders hire it out. We handle all of this.
FAQ
What is the main lesson from The Only Cold Email Stack Worth Using in 2025?
Cut through the noise. Here's the actual tech stack that scales cold email for technical founders.
How should B2B founders apply this?
Use the framework as a starting point, test it against real market feedback, and scale only after the signal is clear.