Best practices, tutorials, tips and tricks to maximize your email marketing results.
18 articles
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Step-by-step guide to setting up a bulk email server on a VPS from scratch. Covers VPS provider selection, OS setup, Postfix/Dovecot installation, DNS configuration, IP warm-up, and cost analysis showing 80% savings vs SaaS platforms.
Everything you need to know about dedicated IPs for email sending — when shared IPs are enough, when to switch to dedicated, how to set them up, warm them up, and monitor reputation. Includes cost comparison and provider recommendations.
SMTP server vs email service provider — a complete side-by-side comparison covering cost, control, deliverability, scalability, and maintenance. Includes a decision framework and real cost calculations at 10K to 1M sends/month.
15 proven email deliverability best practices for 2026 — covering authentication (SPF/DKIM/DMARC), sender reputation, list hygiene, content optimization, engagement metrics, and the new Gmail/Yahoo sender requirements.
Complete guide to IP rotation for cold email at scale. Covers why you need multiple IPs, rotation strategies (round-robin, weighted, domain-based), how many IPs per volume tier, setup with Postfix and PowerMTA, and monitoring tools.
Complete beginner guide to setting up a dedicated SMTP server for bulk email. Covers VPS selection, Postfix installation, DNS configuration, SPF/DKIM/DMARC authentication, security hardening, IP warm-up, and deliverability monitoring.
Complete IP warm-up schedule with day-by-day volume targets for weeks 1-8. Covers ISP-specific rate limits for Gmail, Outlook, and Yahoo, monitoring metrics, troubleshooting throttling and blacklisting, and warm-up strategies for marketing, transactional, and cold email.
Complete guide to setting up SPF, DKIM, and DMARC email authentication records. Covers DNS syntax, DKIM key generation, DMARC policy progression from none to reject, rDNS/PTR records, BIMI setup, testing tools, real-world DNS examples, and troubleshooting common failures.
Complete comparison of the best dedicated SMTP server providers for bulk email in 2026. Detailed reviews of SendGrid, Amazon SES, Mailgun, Postmark, SMTP.com, SparkPost, and self-hosted alternatives with pricing, features, and deliverability analysis.
