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Postbox Services Cold Email Solutions

We offer specialized cold email services and infrastructure to help businesses achieve higher deliverability, better engagement, and improved conversions.
Whether you’re starting out or looking to scale your outreach, our expert solutions ensure you get the most out of your cold email campaigns.
We don’t have fixed pricing plans; instead, we create custom quotations tailored to each client’s needs. Please click the ‘Contact Us’ button below and feel free to reach out.
💰💰 Our consultancy rates start at $75/hour, while retainer plans begin at $1000/month. Infrastructure pricing varies based on your mailbox subscription needs 💰💰

📢 Looking for our deliverability consulting services? 👉 Please refer to this page 🔗✅

Cold Email Consultancy

Our cold email experts guide you in designing, optimizing, and executing successful cold email strategies. We help you with:
  • Tools selection (We will help you find right tool like Instantly, Apollo, Smartlead etc), setup and related consultancy
  • Setting up tracking and analytics
  • Domains and campaign execution process (number of mailboxes, number of emails/mailbox) best practices
  • Integration with your other tools like CRMs or lead management systems
  • Cold email copy insights and best practices

🚀 Have an in-house sales development team? We can train them, monitor performance, and provide expert oversight & consultancy. ✅ Plus, with our powerful infrastructure, you’ll always stay ahead of the game! 🔥📈

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Postbox Services Cutting-Edge High Deliverability Cold Email Infra

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Cold Email Delivery: Try Our Proprietary Cutting Edge Cold Email Infrastructure

Our in-house cold email delivery infrastructure ensures your emails land in inboxes, not spam folders. With:
  • High-deliverability IPs optimized for cold outreach
  • No-need of warmup – send from day 1
  • Scale sending capabilities using multiple domains to match your outreach goals

    Key Benefits:

    • 20 mailboxes & 1 domain – No warmup required → Start sending from day one
    • 100 emails/day, 3,000 emails/month → Hard limits in place/domain
    • One MasterInbox on Office365 → All replies in one place for easy management
    • Higher inboxing with unique email copies

    💰 Pricing:

    $200 for the first month/domain, then $50/month/domain (Quarterly payment)

    💪 Bonus Perks:

    • One GlockApps test report on your new domain to show deliverability
    • Seamless integration with top sequencers like Instantly, Smartlead, Apollo, etc.
    • A Free Best Practice Guide to maximize email performance

    📦 Delivery Time:

    3-5 business days

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Bulk Subscription and Management of Domains, Google Workspace, and Microsoft 365

We provide bulk domain registrations, email hosting, and management services for:
  • 🌐 Domains registration / domains pool management 🌐
  • 📧 Google Workspace (Gmail for business accounts) 📧
  • 📧 Microsoft 365 (Outlook & Exchange setups) 📧
  • Ensuring email authentication (SPF, DKIM, DMARC) for security and compliance.
  • Managing multiple domains and mailboxes for scalable outreach.
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Cold Emails Campaign Execution (Monthly Retainer)

For businesses that need ongoing cold email campaigns, we offer end-to-end execution on a retainer basis:
Please contact us for pricing plans.

We will handle your daily campaigns, including scheduling, monitoring, and analyzing list development, nurturing, and segmentation, while ensuring optimal domain health and deliverability.

  • Prospect list building & segmentation
  • Tools, domains, mailbox setup
  • Cold email sequence creation & optimization
  • Performance tracking & continuous iteration for higher response rates
  • A/B testing for subject lines, messaging, and call-to-actions
  • Weekly performance reporting
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❄️📩 Curious about what’s working in cold emailing in 2025? Check out our latest post! 🚀

 

Cold Emailing in 2025: What’s Working & What’s Not?