Blog & Insights
Expert insights on email deliverability, email infrastructure, DNS security, and network security. Practical guidance for infrastructure professionals.
Blog Purpose
This blog serves two primary purposes:
- SEO & Authority: Providing valuable, technical content that demonstrates our expertise and helps potential clients find us through search.
- LinkedIn Outreach: Sharing insights that establish credibility and initiate conversations with prospects interested in infrastructure security.
All content focuses on technical topics related to our core services: email deliverability, authentication protocols, email infrastructure, and security practices.
Content Focus Areas
Email Deliverability
Topics covering inbox placement, IP reputation, ISP relationships, and deliverability optimization strategies.
SPF / DKIM / DMARC
Deep dives into email authentication protocols, configuration best practices, policy implementation, and troubleshooting.
Spam & Phishing
Understanding spam filters, anti-phishing controls, email security threats, and prevention strategies.
Email Infrastructure Mistakes
Common configuration errors, infrastructure anti-patterns, and lessons learned from production deployments.
Firewall & Email Security Overlaps
How network security and email infrastructure intersect, firewall rules for email, and integrated security approaches.
Email Infrastructure Setup
SMTP server configuration, Mailcow deployment, DNS integration, and production email system setup.
Sample Topics
Understanding SPF Records: Common Mistakes and Best Practices
SPF (Sender Policy Framework) is fundamental to email authentication, yet many organizations configure it incorrectly. Learn about common SPF mistakes and how to implement proper SPF records for your domains.
Why Emails Land in Spam: A Technical Deep Dive
Understanding why emails end up in spam folders requires examining IP reputation, authentication failures, content factors, and sender practices. This guide explains the technical factors affecting inbox placement.
DMARC Policy Enforcement: Moving from Monitoring to Quarantine
Implementing DMARC monitoring is just the first step. Learn how to progress from monitoring to quarantine and rejection policies while maintaining email functionality and security.
Email Infrastructure Mistakes That Cost Businesses
Common email infrastructure mistakes—from shared IP usage to improper authentication—can severely impact deliverability and business operations. This post covers the most critical mistakes to avoid.
DKIM Key Management: Rotation, Security, and Best Practices
DKIM keys require proper management including regular rotation, secure storage, and correct DNS configuration. Learn how to maintain DKIM keys for optimal email security and deliverability.
Firewall Configuration for Email Security: Overlaps and Considerations
Network firewalls and email security are deeply connected. Understand how firewall rules impact email delivery, security, and how to configure firewalls to support secure email infrastructure.
Preventing Phishing: Email Security Controls Beyond Authentication
While SPF, DKIM, and DMARC are essential, additional email security controls are needed to prevent phishing. This guide covers content filtering, attachment scanning, and threat intelligence integration.
Mailcow vs. Traditional SMTP: When to Choose Self-Hosted Email
Self-hosted email infrastructure using Mailcow offers control and flexibility, but requires proper setup and management. Learn when self-hosted email makes sense and what it takes to maintain it.
Email Warm-up Strategies for New IP Addresses
New IP addresses require careful warm-up to establish good sender reputation. This post explains warm-up strategies, volume considerations, and best practices for establishing IP reputation.
Internal Linking Strategy
Blog posts are strategically linked to:
- Service Pages: Each blog post links to relevant service pages where appropriate, helping readers discover our services.
- Related Posts: Posts link to related topics to keep readers engaged and improve SEO.
- Contact & CTA: Every post includes contextual calls-to-action for infrastructure assessment or consultation.
- Case Studies: Relevant case studies are referenced when applicable to demonstrate real-world applications.
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