Niels Ouwens

Use a hybrid email stack—private domains, mixed providers, and strict authentication—to scale outreach while protecting your sender reputation.

DKIM is essential for outreach—use 2048-bit keys, publish correct DNS TXT records, align with SPF/DMARC, rotate keys regularly, and monitor deliverability.

Checklist to buy, verify, and configure domains for email outreach: pick aged .coms, check history, set SPF/DKIM/DMARC, warm up, and use multiple domains.

Properly configure SPF, DKIM, and DMARC in Microsoft 365 to protect your IP reputation and keep emails out of spam.

Compare relaxed and strict DMARC alignment to balance email deliverability and anti‑spoofing, with setup tips for cold outreach.

Check if your domain or sending IP is blacklisted, verify SPF/DKIM/DMARC, identify root causes, and submit delisting requests to restore deliverability.

Wondering why your emails go to spam? Learn the most common causes and 6 quick fixes to improve deliverability, trust, and inbox placement instantly.

ESP matching routes AI SDR outreach through recipients' ESPs to improve inbox placement, reduce bounces, and strengthen sender reputation with multi‑ESP routing.

Automation lets you send thousands of truly personalized, behavior-driven emails without losing quality or hurting deliverability.

Learn how to diagnose and fix SPF authentication failures to improve your email deliverability and maintain a strong sender reputation.

Discover 10 best cold email infrastructure tools for domains, DNS, warm-up, and safe scaling so founders, sales teams, and agencies avoid spam.

Ensure your emails reach inboxes by following this comprehensive DNS verification checklist for mailboxes, avoiding common pitfalls and enhancing deliverability.

Google is suspending EDU, nonprofit, and legacy mailboxes sold by resellers. Learn why cold emailers are losing inboxes - and how Primeforge provides fully compliant Google & MS365 mailboxes built to last.

Unlock the potential of your cold email campaigns with effective follow-up strategies and dedicated infrastructure to boost engagement and deliverability.

We listed 7 best cold email infrastructure tools: Primeforge, Infraforge, Mailforge, Warmforge, Mailreach, Mailscale, and Superwave AI

Learn how to check if your domain is blacklisted, resolve issues, and prevent future blacklisting to maintain your email reputation.

Learn how to configure DNS for email scaling, ensuring security and reliability while avoiding common pitfalls like misconfigurations and propagation delays.

Learn practical strategies to mitigate email infrastructure burn and enhance your sender reputation, ensuring successful email campaigns.

Learn how reverse DNS lookup affects email deliverability, and why proper configuration is crucial for successful cold email campaigns.

Automated DNS setup streamlines email authentication, improving deliverability, reducing costs, and enhancing security for cold email campaigns.

Proper DNS setup is crucial for cold email success, ensuring authentication and deliverability while minimizing spam risks.

Enhance your email deliverability by monitoring your sender reputation with these top 10 essential tools tailored for all business sizes.

Is Zapmail good for cold outreach? This review covers real user feedback, pros, cons, and how it stacks up vs Primeforge.

Streamline your cold outreach campaigns with effective bulk DNS updates to boost email deliverability and prevent costly errors.

How many emails are safe to send daily? This guide explains sending limits, SMTP caps, warm-up tools, and daily volume strategies you can use.

What does X Google DKIM Signature mean in your emails? Learn how to set it up correctly and stop your emails from hitting the spam folder.

Learn how to select the best mailbox provider for effective cold outreach, focusing on deliverability, scalability, and cost considerations.

Explore the differences between shared and private IPs for email deliverability, and find the right option for your marketing needs.

Diversifying your cold email infrastructure boosts deliverability, reduces risks, and enhances campaign performance by using multiple domains and providers.

Learn how to effectively scale mailboxes for cold email campaigns to improve deliverability and sender reputation.

Learn how to set up a cold email infrastructure that ensures high deliverability, protects sender reputation, and complies with regulations.

Compare Google Workspace and Microsoft 365 for cold outreach, focusing on deliverability, email limits, and integration capabilities.

Boost your cold email deliverability in 2025 by setting up DKIM in Office 365. Follow this step-by-step guide to sign your emails, avoid spam and increase open rates.