B2B Cold Email Services

We help businesses set up, manage, and scale cold email outreach that actually delivers. From domain warmup and mailbox setup to message optimization, technical audits, and weekly monitoring โ€” our end-to-end service ensures every email is backed by strategy, compliance, and best-in-class infrastructure. Whether you're just getting started or troubleshooting poor deliverability, we'll help you build a cold email system that works.

Postbox Services Cold Email Solutions

B2B Cold Email Services

Comprehensive solutions designed to maximize your cold email deliverability and results

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Adaptive B2B Email Outreach Framework

Move beyond generic templates and automation tools. Build a living email system that adapts like humans, earns trust through authenticity, and delivers sustainable inbox placement in 2026 and beyond.

Four Phase Adaptive B2B Email Outreach System

Why Traditional Approaches Are Failing

As inbox algorithms become smarter, automation-first strategies built on volume and fake engagement are quietly collapsing. Google, Microsoft, and Yahoo's AI-driven filtering systems now analyze behavioral fingerprints, detect robotic sending patterns, and recognize artificial warm-up loops.

The future isn't about more tools or faster automation โ€” it's about smarter systems that communicate with authenticity and adapt to changing algorithms.

The Four Pillars of Adaptive Outreach

๐ŸŽฏ Intent-Driven Data

Build smart, hybrid databases using LinkedIn activity, funding announcements, hiring signals, and behavioral data. Reach buyers ready to respond, not just random contacts.

๐Ÿ”ง Technical Precision

SPF, DKIM, DMARC authentication, subdomain architecture, Postmaster Tools monitoring, and domain rotation logic tuned to your volume and goals.

๐Ÿง  Behavioral Intelligence

Variable sending cadence patterns, dynamic follow-ups based on actions, research-driven personalization, and tone aligned to your ICP behavior.

๐Ÿ“Š Adaptive Optimization

Real-time engagement signal analysis, campaign rhythm adjustments, continuous A/B testing, and feedback loops for sustained domain health.

What Makes This Different

โŒ Old Playbook: Buy domains โ†’ warm up with bots โ†’ load generic templates โ†’ blast campaigns โ†’ watch domains burn out

โœ… Adaptive Framework: Build domain equity through authentic engagement โ†’ research-driven messaging โ†’ variable sending rhythms that mirror human behavior โ†’ continuous learning and optimization

What You Get:

A custom-built B2B email ecosystem that combines technical mastery with communication intelligence. We analyze your business goals, ICP, domain reputation, and industry benchmarks to design a system that earns trust, maintains compliance, and scales sustainably.

๐Ÿ“ˆ It's not about sending more emails. It's about sending smarter, adaptive messages to the right people at the right time.

Move beyond warm-up myths and static lists. Let's co-create your adaptive B2B lead generation system.

Cost: Custom quotation based on your business goals and scale. Contact us for a free deliverability consultation.
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B2B Cold Email Infrastructure Setup

Everything you need to launch a high-performing cold email systemโ€”from strategy and setup to training, warmup, and ongoing optimization.

Setting up cold email from scratch

Please contact us for pricing plans.

Business & Outreach Assessment

Align your cold email strategy with your business goals, value proposition, and compliance needs.

Ideal Customer & Lead Research

Define your target audience, map buyer personas, and ensure lead list quality.

Tool & Platform Selection

Identify and configure the right tools (Apollo, Instantly, Clay, etc.) for scaling, automation, and tracking.

Domain Setup & Warmup Management

Provision new domains, configure DNS (SPF, DKIM, DMARC), mailbox setup, warmup schedule, and Postmaster monitoring.

Copywriting & Sequencing Strategy

Create compliant and personalized cold email templates tailored to your audience and objectives.

Team Training & SDR Enablement

Equip your sales or outreach team with technical knowledge, SOPs, and best practices for cold email outreach.

SOP Creation & Process Documentation

Build a structured, scalable outreach system with clearly documented workflows, templates, and escalation processes.

Weekly Monitoring & Optimization

Provide ongoing oversight, performance tracking, and regular recommendations to maintain inbox placement and improve results.

Cost: Custom quotation based on your specific requirements. Please contact us for details.
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Weekly Reporting for Cold Email Performance & Deliverability

Perfect for teams managing cold email campaigns in-house. We serve as your external deliverability watchdogโ€”monitoring performance, identifying risks, and providing expert technical audits and actionable recommendations to keep your campaigns healthy and inbox-ready.

  • Keeping an eye on all running campaigns (covering 10 reps max)
  • Running tests on email copies and providing feedback for optimization
  • Checking Apollo (any other tool) configurations of all mailboxes
  • Running seed list tests and providing all technical feedback
  • Analysis of Google Postmaster data
  • Analysis of DMARC weekly reports (Prevents domain spoofing and boosts trust)
  • Analysis of inbox placement rates from seed list tests, sender reputation scores, bounce rates, open rates, and click-through rates (if applicable)
  • Creating a weekly deliverability report providing an analysis, feedback, and recommendations for all campaigns
Deliverable:

Weekly deliverability reports covering campaign performance, inbox placement, spam signals, and technical diagnostics for up to 10 reps. Includes actionable feedback on email content, Apollo (any other tool) settings, and domain reputation.

Cost: $1000/week
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Domains / Mailbox Warmup Management
(60-90 days)

Build strong domain reputation from day one with a structured warmup process ensuring inbox placement, security compliance, and ready-to-scale email infrastructure.

  • Proactively purchasing domains well in time (60-90 days in advance)
  • Setting up domains with all recommendations (MX, SPF, DKIM, DMARC) required for email security and deliverability, and implementing weekly free DMARC reports
  • Setting up the domain forwards
  • Setting up the domain on Google Postmaster
  • Setting up mailboxes (3 per domain) with given names and profile pictures
  • Running spam test using Mail-tester and GlockApps
  • Maintaining the activity of all mailboxes by logging in multiple times a week, ensuring their activity level, security, and reliability
  • Configuring mailboxes on Apollo to send only 1 email daily for the first 10 days and then increase by 1 every 10 days โ€“ continue for the 60-90 days (Utilising Apollo's AI copies)
  • Assigning the mailboxes to reps with proper Apollo settings
Deliverable:

Fully warmed-up domains and mailboxes with optimal deliverability setup, including DNS records, inbox testing, and Apollo configuration for gradual email sending. Includes monitoring, Postmaster setup, and rep-ready handover.

Cost: $200/domain

Ready to Improve Your Cold Email Deliverability?

Get in touch with us to discuss how we can help scale your cold email outreach

Contact Us Today