Cold email strategy: How We Get 1-10 Demos Every Day By Automatically Sending 1000+ Cold Emails Daily With A 50%-75%+ Open Rate
Think cold email doesn’t work anymore? Think again. When done right, it’s one of the most powerful ways to grow your business. We’re talking 1,000+ targeted emails a day, 75%+ open rates, and booked demos showing up on your calendar—without spending a dime on ads. It’s not just about volume—it’s about smart strategy, great messaging, and consistent execution.
Cold Email Requires Strategy, Not Just Volume
You can’t just spray and pray. Sending thousands of generic emails won’t get you results—it’ll get you flagged. Real success comes from knowing who to target, what to say, and how to keep improving. In fact, campaigns with personalized targeting and strong messaging see 3x higher reply rates than generic blasts. This guide gives you the full playbook: dialed-in targeting, high-converting copy, and a system to turn cold prospects into booked calls.
What You’ll Gain from This Guide
Before you dive in—make sure you’re set up to implement what you’re about to learn. We recommend signing up for Instantly (our go-to cold email platform) so you can follow along and start putting things into action right away. Here’s what you’ll take away from this guide:
✅ Higher Open Rates: Write subject lines that grab attention and get opened—75%+ open rates are real when you get personal.
✅ Better Response Rates: Start real conversations with targeted, value-driven messaging.
✅ More Qualified Leads: Focus only on the prospects who actually want what you offer.
✅ Scalable Growth: Send 1,000+ emails per day without burning your domain.
✅ Massive Time & Cost Savings: Automate the heavy lifting with Instantly and say goodbye to manual outreach.
Decide Your Email Volume for Maximum Results
Let’s be clear: if you’re not sending at least 1,000 cold emails per day, you’re not playing the game at scale.
Cold email is a numbers game—but only when the numbers hit the right inboxes. You need volume + relevance to win.
Think of it like this: You could have the best offer in your niche, but if your leads aren’t the right fit, nothing happens. No opens. No clicks. No calls.
To get real results, aim to reach 1,000+ highly targeted prospects every single day. This guide will show you how to do it without hurting your deliverability—or your sanity.
👉 Get B2B contact lists at a fraction of the cost—custom-built for your niche, cleaned, verified, and ready to go.
💡 Pro Tip:
The easiest way to scale to 1,000+ daily emails? Use tools like:
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Instantly – Automates sending, tracking, and scaling.
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Multiple domains + inboxes – Spread volume safely.
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Email warm-up tools – Keep your sender reputation strong.
We’ll break all of this down in the next sections.
Cold Email Sending Limits & Best Practices
Want to hit 1,000 emails a day without getting flagged as spam? Stick to these non-negotiable rules:
📌 Send no more than 70 emails per inbox, per day– That’s 35 cold emails + 35 warm-up emails (yes, warm-ups are essential)
📌 Max 3 inboxes per domain
📌 Never turn off warm-up—it’s your inbox’s armor against spam filters
🚀 To Reach 1,000 Cold Emails/Day, Here’s What You Need:
✅ 30 email IDs (1,000 ÷ 25 = 40)
✅ 10 domains (30 ÷ 3 = 10)
✅ 70 total emails per inbox/day (35 cold + 35 warm-up)
💡 Pro Tip: Don’t want to deal with domain and inbox setup? We can help you get fully prepped with warm inboxes + deliverability protection—or check out Instantly to manage it all in one place.
Diversify Your Email Infrastructure for Stability
Never rely on just one email provider for your entire setup. If a provider makes changes or bans your account, your business shouldn’t come to a halt.
💡 Best Practices for Email Resilience:
✅ Use at least 3 different Email Service Providers (ESPs) (minimum 2).
✅ Any ESP you choose, create different accounts & spread your email IDs across multiple servers.
✅ For Google Workspace & Outlook 365, limit accounts to 5 domains each (15 email IDs max).
Following these steps ensures maximum deliverability, scalability, and protection for your cold email campaigns. 🚀
Ready to Skip the Guesswork? Let’s Build Your Cold Email Machine—Together.
We don’t just teach this stuff—we set it up for you. From domains and inboxes to automation, copywriting, and deliverability—we handle it all.
👉 Book a free strategy call now:
📅 OutboundHustlr.com/book-meeting
Whether you're starting from scratch or want to scale what’s already working, we’ll get you sending at volume the right way.
🛠️ Setting Up Your Domain and Email Infrastructure
Before launching your cold email campaigns, you need a rock-solid foundation. That starts with properly setting up your domain and email infrastructure. This ensures your emails land in inboxes—not spam folders. Here’s what’s involved:
✅ Choose the right sending domains (we recommend aged, non-branded domains)
✅ Set up your email provider (like Google Workspace)
✅ Authenticate your domain with SPF, DKIM & DMARC
✅ Enable email forwarding so you never miss a reply
👉 This setup protects your sender reputation, maximizes deliverability, and sets you up for long-term success. Want us to handle it all for you?📩 Book a DFY Setup Call
🌐 Choosing the Right Domains for Cold Emailing
**Not all domains are created equal—**never use your primary business domain** for cold outreach. If your emails trigger spam filters, your **main domain’s reputation could tank**, hurting your normal business communications. Instead, set up **dedicated domains** for cold email only.
🧠 Smart Domain Strategy:-
✅ Choose domains similar to your brand (e.g., if your main domain is `acme.com`, try `acme.io`, `acmecorp.com`, or `acmetech.co`)
✅ Stick to **reputable TLDs** like `.com`, `.net`, or `.org` for best deliverability
✅ Run a **domain reputation check** (using tools like [MXToolbox](https://mxtoolbox.com)) before buying to avoid blacklisted or penalized domains
✅ Use **multiple domains** to spread risk and maintain consistent deliverability
🔄 Example: If your SaaS brand is `Acme Inc.` and uses `acme.com`, you could use `acmecorp.io` and `acmetech.com` for cold outreach campaigns.
Need help sourcing B2B emails and setting up domains properly?
👉 [Book a Setup Call]
Recommended timeline for setting up a new domain and inboxes for cold outreach
📅 Google Workspace Setup Timeline for Cold Email (Anti-Spam Safe)To prevent Google’s spam filters and AI systems from flagging your domain, **don’t rush the setup**. Follow this staged timeline after adding your new domain to Google Workspace:
**🗓 Day 1: Domain Setup**-
✅ Register your cold email domain (e.g., `acmecorp.io`)
✅ Add domain to Google Workspace & verify ownership
✅ Set up MX records
✅ Create user inboxes (limit to 3 per domain)
✅ DO NOT send any emails yet
⏳ **Wait 24–48 hours** to allow DNS propagation and domain warming on Google's backend.
**🗓 Day 3: Authenticate Domain**
✅ Add SPF TXT record: `v=spf1 include:_spf.google.com ~all`
✅ Generate and add DKIM TXT record via Admin Console
✅ Add DMARC record (monitoring mode): `v=DMARC1; p=none; rua=mailto:dmarc@yourdomain.com`
⏳ **Wait 48–72 hours** after setting up DKIM before starting warm-up—this gives DNS records time to fully propagate and be recognized by recipient servers.
**🗓 Day 6: Begin Warm-Up**
✅ Connect inboxes to [Instantly](https://instantly.ai/?via=hustlr)
✅ Start automated warm-up (35/day limit)
✅ Monitor deliverability and spam folder placement
⏳ Warm up for **2 weeks minimum** before sending cold emails manually.---
**🗓 Day 20+: Start Cold Email Sending**
✅ Begin with 10–15 cold emails/day per inbox
✅ Maintain warm-up alongside outreach
✅ Gradually scale to 35 cold + 35 warm-up/day (Max = 70 total per inbox)
🧠 Key Best Practices:-
-Never send cold emails during the **first 5–7 days** after domain creation
-Use aged domains when possible to shorten this timeline
- Always verify that **SPF, DKIM, DMARC, and MX** are passing before sending outreach
Need help setting all this up across 10+ domains and 30 inboxes?👉 [Book a DFY Setup Call] We’ll configure everything—from domains to DNS, warm-up, inboxes, and Instantly setup.
📬 Setting Up Email Forwarding
Once your domains, DNS, and inboxes are configured, the final step is **email forwarding**—so you never miss a lead reply.
Email forwarding routes replies from your cold email inboxes directly into your **primary email account**, allowing you to manage everything from one place. No more jumping between 40 inboxes.
⚙️ Two Ways to Handle Replies:
1. **Manual Email Forwarding** (via Google Workspace settings)
2. **Automatic Reply Forwarding** using [Instantly's Unibox]
💡 If you plan to manage replies entirely through **Unibox**, manual forwarding is optional.--
✅ Manual Forwarding Setup (Google Workspace)
Follow these steps for each inbox you use for outreach:
1. Log into the **Google Workspace account** (e.g., jane@acmecorp.io)
2. Click the **gear icon** → “See all settings”
3. Go to the **“Forwarding and POP/IMAP”** tab
4. Click **“Add a forwarding address”**
5. Enter your **primary inbox** (e.g., john@acme.com)
6. Confirm the request from your primary inbox
7. Choose “**Forward a copy of incoming mail**”
8. Click **Save Changes**
Now, every reply to your outreach emails will land in your main inbox, making lead management a breeze.---#### 📌 Example:If you’re sending cold emails from `acmecorp.io`, you can forward all replies to `john@acme.com` so you or your team never miss a potential lead.
Need help setting up forwarding across **40+ inboxes**? 👉 [Book a DFY Setup Call]
🎯 Final Recap: You’re Now Ready to Dominate Cold Email
You’ve just learned how we consistently generate **1–10 demos a day** by sending **1,000+ cold emails daily**—without landing in spam. Here’s a quick recap of what we covered:
✅ **Cold Email Strategy**: Why smart targeting and messaging beats brute-force sending ✅ **Email Volume & Tech Stack**: Why 1,000+ daily sends is the benchmark—and how to get there
✅ **Infrastructure Setup**: From domains, DNS, and inboxes to proper warm-up and forwarding
✅ **Deliverability Best Practices**: SPF, DKIM, DMARC, warm-up automation with [Instantly]
✅ **Email Copywriting**: Templates, personalization tactics, sequences, and more
✅ **Lead Sourcing & Cleaning**: Get verified, targeted B2B leads from **Outbound Hustlr at a fraction of the cost**
You now have the blueprint. The only thing left is execution.
🚀 Want Us to Set This Up *For You*?
Whether you're a founder, agency, or sales leader—we offer **done-for-you** cold email setup that includes:
✔️ Domain purchase + DNS ✔️ SPF/DKIM/DMARC configuration
✔️ Google Workspace setup
✔️ Instantly account setup
✔️ Inbox warm-up
✔️ B2B lead sourcing + cleaning
✔️ Copywriting + campaign strategy
All you have to do is show up to take the meetings. We set up the rest.👉 **Let’s build your cold email machine:** [ Book Your Strategy Call Now ]
You’re one meeting away from turning cold emails into your #1 growth channel. Let’s make it happen.🔥