Scaling B2B Outreach with 100% Inbox Placement & Custom Infrastructure
Seasoned Email Marketing and Deliverability Specialist with 8+ years of hands-on expertise building high-volume PowerMTA setups, Instantly AI campaigns, lead verification, and ESP domain warmup.
Mainuzzaman
Cold Email Specialist & Deliverability Expert
Growth Focused Email Infrastructure Specialist
I am a seasoned Email Marketing and Response Handling professional with over 8 years of extensive experience, dedicated to assisting businesses in achieving remarkable growth through strategic cold email marketing initiatives.
With a proven track record, I have successfully supported more than 500 individual clients and collaborated with 300+ companies to optimize their email outreach, fix deliverability bottlenecks, setup virtual MTAs, and scale revenue funnels.
Key Expertise
Comprehensive cold email setup, high-volume MTA configuration, funnel automation, and deliverability solutions.
High-Volume Mail Handling (MTA) Setup
Specialized in setting up robust, high-volume mail transfer agents engineered for maximum deliverability and throughput.
Automation Funnel Development
Designing automated lead nurturing and e-commerce workflows that convert cold leads into high-ticket sales opportunities.
Domain Authentication & Protocol Setup
Full DNS authentication compliance ensuring your sending domain passes all security checks by Google, Outlook, and Yahoo.
Domain Warm-up & Reputation Repair
Proven warm-up protocols to establish pristine sender reputation and recover domains currently trapped in spam folders.
Cold Emailing Mastery
End-to-end setup and strategy for cold outreach tools to maximize open rates, reply rates, and meeting bookings.
ESP Troubleshooting & Audit
Comprehensive technical audits across all major Email Service Providers to resolve deliverability issues and spam triggers.
Email List Optimization & Scrubbing
Conduct thorough email list verification to enhance engagement, removing inactive contacts, reducing bounce rates, and preserving domain score.
Campaign Results & Deliverability Proofs
Click any screenshot to view full-size proof of results across Instantly, Mail-Tester, SendGrid, and Mailchimp.
Campaign Results 2025
High-volume cold outreach — 90%+ inbox placement.
Outreach Performance 2025
Multi-account rotation with sustained deliverability.
Deliverability Audit 2025
SPF, DKIM, DMARC, PTR — 10/10 score achieved.
Email Sequence Results
Optimized sequences with high reply rates.
ESP Setup & Authentication
Full domain auth with dedicated IP warmup.
Domain Auth Results
Zero spam reports across all sending domains.
Campaign Analytics 2025
45%+ open rates, measurable revenue growth.
Open Rate Performance
Consistent high open rates across client campaigns.
Inbox Placement Results
Primary inbox across Gmail, Outlook, Yahoo.
Inbox Placement Stats
Domain warm-up and reputation repair results.
Deliverability Scores
Top-tier scores on all major testing platforms.
PowerMTA Infrastructure
Custom Linux server, virtual MTA rotation at scale.
Campaign Overview 2025
Full funnel campaign monitoring dashboard.
Reply Rate Results
Above-industry reply rates on cold outreach.
MXToolbox Monitoring
Blacklist-free history across all monitored domains.
Email Authentication Setup
Complete DKIM/SPF/DMARC configuration.
DKIM/SPF Verification
All records passing on client domains.
Mail-Tester Score
10/10 on mail-tester.com deliverability test.
Mail-Tester Score (Client 2)
Repeated perfect score across multiple setups.
Inbox Placement Test
100% primary inbox across all tested providers.
Inbox Placement (Client 2)
Clean inbox score on fresh domain warmup.
Inbox Placement (Client 3)
Zero spam folder landing across all ESPs.
Instantly Campaign Summary
High-volume Instantly AI campaign results.
Instantly Summary (Client 2)
Scaled outreach with Instantly AI multi-account.
AI Campaign Response Rate
Positive reply rate with AI-assisted sequences.
Instantly Metrics
Detailed analytics from Instantly AI dashboard.
Instantly Metrics (Client 2)
Consistent performance across client accounts.
Instantly Overview
Campaign-level stats on Instantly AI platform.
Instantly Overview (Client 2)
Active campaign monitoring at scale.
Instantly Analytics
Sequence-level analytics and A/B data.
Instantly Analytics (Client 2)
Performance breakdown by email step.
Instantly Volume Stats
High-volume sending at peak deliverability.
EmpireHosting Campaign
Full campaign overview for EmpireHosting client.
EmpireHosting Results
Sustained outreach performance over campaign lifecycle.
SendGrid Deliverability
High deliverability rates on SendGrid infrastructure.
SendGrid Setup
Custom SendGrid configuration for client sending.
Mailchimp Dashboard
Email performance on Mailchimp for client account.
Mailchimp Email Stats
Above-average open/click metrics on Mailchimp.
Mailchimp Audience
List growth and engagement metrics on Mailchimp.
Mailchimp Audience (Client 2)
Segmentation and audience growth tracking.
Campaign Proof
Verified campaign result from client account.
Analytics Proof
Live analytics screenshot from verified client work.
MXToolbox History
Clean blacklist history over monitored period.
Ready to Scale Your Cold Email Infrastructure?
With 8+ years of hands-on experience and 500+ clients served, I deliver results — not excuses. Let’s build your setup right the first time.
Cold Email Setup
Full Instantly AI / Smartlead campaign setup, domain warmup, SPF/DKIM/DMARC, multi-account rotation.
PowerMTA Infrastructure
Custom Linux server setup with virtual MTA rotation, IP warmup, and high-volume corporate sending.
Deliverability Audit
Full infrastructure review — DNS records, IP/domain reputation, content scoring, blacklist removal.
Choose how you want to work together:
Cold Email Tips & Deliverability Insights
Practical guides, case studies, and expert knowledge from 8+ years in the field.
Frequently Asked Questions
Everything you need to know about cold email setups, deliverability repairs, and MTA configurations.