Rashedul Islam
10+ Years
Expert
About Me

Rashedul Islam

Email Deliverability Expert | System Administrator

Hi, I'm Rashedul, a specialist with over 10 years of experience. I focus on email deliverability: helping businesses with cold email infrastructure and newsletter email blasts using custom SMTP servers to ensure maximum inbox placement.

The other half of my work is Linux system administration, covering cloud infrastructure, security hardening, monitoring, and performance optimization. The two go together: reliable deliverability is built on infrastructure you control, and I run both layers myself.

Skills

Technical Expertise

Email Deliverability
95%
System Administration
90%
Cloud Infrastructure
88%
Database Management
85%
Specializations

What I Do

Cold Email Infrastructure & Deliverability
Newsletter Email Blasts with Custom SMTP
PowerMTA, Postal, Exim, Postfix Email Server Setup
Mailwizz, Mautic Email Marketing Systems
ESP Tuning (MailChimp, SendGrid, AWS SES)
SPF, DKIM, DMARC, rDNS Authentication
IP/Domain Blacklist Removal & Whitelist Services
IP Reputation Monitoring & Domain Warm-up
Linux Server Administration
Cloud Infrastructure & VPS Management
Server Monitoring, Backups & Recovery
Server Performance Optimization
Server Security & Hardening
Experience

Professional Journey

Email Deliverability Specialist

2024 - Present
Growtheffekt

Helping with cold email infrastructure setup, deliverability optimization, domain authentication, and inbox placement to maximize outreach results.

Founder & Email Deliverability Specialist

2022 - Present
Neumann & Associates

Helping with newsletter email blasts using custom SMTP servers, managing email infrastructure, and ensuring high deliverability for large-scale campaigns.

System Administrator

2015 - 2025

Upwork & Fiverr

Managed Linux servers, VPS hosting, and cloud infrastructure for clients worldwide: server setup, migrations, security hardening, and performance troubleshooting.