Using Cheapinboxes to create targeted outreach sequences for B2B prospects

If you do any kind of B2B sales or partnership work, you know the drill: cold outreach is still one of the fastest ways to get in front of real decision-makers. The problem? Most tools are either too expensive, too bloated, or just encourage spammy tactics that hurt your brand. If you’re looking for a no-nonsense way to set up outreach sequences and don’t want to blow your budget, you might have stumbled across Cheapinboxes. This guide is for you.

Below, I’ll walk you through how to use Cheapinboxes to send smarter, more targeted outreach emails—while steering clear of the classic mistakes that tank reply rates and burn leads.

Who Should Use Cheapinboxes (and Who Shouldn’t)

Cheapinboxes is one of those tools that does exactly what it says: gives you cheap, disposable inboxes so you can run outbound campaigns without risking your main domain. If you’re:

  • Running cold outreach for lead generation, partnerships, or recruiting
  • Testing new markets or messaging before scaling up
  • Worried about getting your main company domain blacklisted

...then you’re the target user.

But if you’re looking for a full-featured CRM, deep analytics, or fancy integrations, this isn’t your tool. It’s not trying to be HubSpot or Outreach. Cheapinboxes is about speed and simplicity.

What Cheapinboxes does well: - Lets you quickly spin up new inboxes tied to real domains - Keeps your main company email safe from spam traps or blacklists - Works with most basic email sending tools or sequencers

What it doesn’t do: - No built-in campaign sequencing (you’ll need to use a separate tool or do it manually) - No heavy reporting or analytics - Not built for nurturing leads long-term

If you want to test messaging, run cold outreach, or avoid deliverability nightmares, it’s worth a look.

Step 1: Setting Up Your Cheapinboxes Account

Getting started is as simple as it gets. Here’s what actually matters:

  1. Sign Up and Pick a Plan

  2. Choose the plan that matches your sending needs. Don’t be seduced by the “unlimited” plans unless you’re actually sending high volume. Start small—you can always upgrade if you see results.

  3. Choose Your Domains and Inboxes

  4. You’ll get access to a pool of domains, or you can bring your own (if you want a specific branding). For most cold outreach, generic domains are fine—nobody’s expecting a Fortune 500 lookalike.

  5. Spin up 1-2 inboxes per campaign at first. Don’t go wild; too many inboxes can look spammy.

  6. Connect to Your Sending Tool

  7. Cheapinboxes gives you standard IMAP/SMTP credentials. You can plug these into tools like Mailshake, Lemlist, Woodpecker, or just use Gmail/Outlook if you’re DIY-ing.

Pro tip:
Use separate inboxes for different ICPs (ideal customer profiles) or campaigns. If one gets flagged, you don’t lose everything.

Step 2: Building a Targeted B2B Prospect List

No tool can save you from a bad list. Here’s how to avoid the most common mistakes:

  • Don’t buy sketchy lists. Your reply rates will suck, and you’ll nuke your sender reputation.
  • Build your own list. Use LinkedIn, industry directories, or your CRM exports.
  • Qualify ruthlessly. You want decision-makers, not random employees. Use filters like job title, company size, and industry.

What matters: - Name, company, role, and a reason for reaching out. - Accurate, up-to-date emails. Verify them—tools like NeverBounce or ZeroBounce can help.

What doesn’t: - Massive lists. You’ll get better results sending 50 serious emails than 5000 generic ones.

Step 3: Writing Outreach Emails That Don’t Suck

Most B2B outreach fails because the emails are generic, desperate, or just plain lazy. Cheapinboxes can get your emails delivered, but only you can make them worth reading.

What works: - Short, plain-text emails (fancy HTML lands in spam) - Personalized openers (“Saw you’re hiring engineers this quarter…”) - A clear, simple ask (“Are you the right person to talk to about X?”)

What to skip: - Over-the-top flattery (“Your company is changing the world!”) - Long pitches. Nobody’s reading an essay from a stranger. - Attachments or links in the first email—they’re spam triggers.

Sample outreach flow:

  1. Email 1: Brief intro, reason for reaching out, soft ask.
  2. Email 2 (2-3 days later): Quick follow-up, maybe add a line of value (case study, relevant news).
  3. Email 3 (5-7 days later): “Just checking in—should I stop bothering you?” (Polite, not pushy.)

Pro tip:
Use merge tags for first name, company, and any specific detail you can find. The more it feels like a real person wrote it, the better.

Step 4: Sequencing and Sending With Cheapinboxes

Here’s the honest bit: Cheapinboxes doesn’t do sequencing for you. You need to use another tool—Mailshake, Lemlist, GMass, whatever—or build a simple spreadsheet and send manually if you’re on a budget.

How to hook it up:

  • Plug the IMAP/SMTP credentials from Cheapinboxes into your sending tool.
  • Set up your campaign (import your list, set merge tags, write your sequence).
  • Warm up new inboxes. Send a few manual emails before blasting out campaigns. This helps with deliverability.

Sending best practices: - Start slow: 10-20 emails/day per inbox, scale up gradually. - Randomize send times. Most sequencers do this automatically. - Monitor replies and bounces. If you see a spike in bounces, pause and check your list quality.

What NOT to do: - Don’t send the exact same email from 10 inboxes at once. That’s how you end up blacklisted. - Don’t ignore replies—respond fast, or you’re wasting everyone’s time.

Step 5: Handling Deliverability and Domain Reputation

Deliverability is the real killer in cold outreach. Even with Cheapinboxes, you have to work to stay out of spam.

Basics to get right:

  • Warm up inboxes: Send/receive real emails before running big campaigns.
  • Use real signatures: Even a simple “Thanks, Mike” with a job title adds trust.
  • Rotate inboxes: Don’t rely on a single inbox for everything.
  • Monitor blacklists: Use tools like MXToolbox to check if your sending domains are getting flagged.

Ignore the hype: - “Guaranteed inbox” tools are usually snake oil. There is no magic bullet here. - Don’t bother with fake positive replies to “trick” spam filters. Focus on sending real, wanted emails.

Step 6: Tracking Results (Without Overcomplicating It)

Cheapinboxes doesn’t come with dashboards or analytics, which is actually a blessing if you’re sick of overkill reporting.

  • Use your sequencing tool to track opens, clicks, and replies—if you care about those numbers.
  • For small campaigns, just track positive replies in a spreadsheet.
  • The only metric that matters is how many real conversations you start—not how many people opened your email.

Pro tip:
Don’t obsess over open rates. Most “opens” are pixel loads, not real attention. Focus on replies and booked calls.

What to Watch Out For

  • Burnout: Don’t send so much that you ruin your domains or annoy your market. Take breaks, rotate inboxes, and keep your lists tight.
  • Compliance: Know the laws in your target region (GDPR, CAN-SPAM, etc.). Don’t get sued because you skipped the legal fine print.
  • Quality over quantity: One well-researched, personal email will always beat a thousand blasts.

Keep It Simple and Iterate

That’s the honest playbook. Cheapinboxes is a tool, not a miracle. Start small, send emails you’d actually want to receive, and tweak as you go. If you’re not getting replies, change your list or your message—not just your tool.

Bottom line: Don’t overthink it. Consistent, simple outreach beats overengineered, expensive systems every time. Happy (ethical) prospecting.