✨ Updated 2025✨

Blog

Formula Inbox is your resource for all things email deliverability.

Choose the Right Email Service Provider for Your Business Needs

Understand how AI is reshaping freelancing and learn strategies to stayvaluable in an increasingly automated environment.

The Importance of Consent in Email Marketing

The Importance of Consent in Email Marketing

Consent is the foundation of ethical email marketing. Find out how it boosts engagement, how to ask for permission, and the dangers of skipping consent.

Read Now
September 23, 2025
An email envelope with a green checkmark, surrounded by graphs and metrics, set against a bright background, symbolizing successful email marketing performance.

How To Track Email Deliverability & Bounce Rates

Master email deliverability and bounce rates. Learn tracking techniques and best practices for successful email marketing campaigns.

Read Now
September 22, 2025
Digital illustration of an email envelope with DNS symbols like gears and network nodes, set against a soft gradient background, highlighting email delivery's t

Email DNS Records: What You Need to Know!

Learn about email DNS records, their types, and how to configure them for better email deliverability and secure communication.

Read Now
September 22, 2025
A bright digital illustration of an open laptop showing an email inbox with a "Delivered" email, surrounded by icons for key email marketing metrics.

Email Deliverability Specialist Services: What's Included?

Explore email deliverability specialist services, including audits, IP warming, reputation management, and authentication for marketing success.

Read Now
September 22, 2025
A vibrant digital illustration of an open email inbox with a glowing green checkmark, surrounded by icons for SPF, DKIM, and DMARC on a bright background.

How to Improve Your Email Deliverability

Boost your email marketing success by improving deliverability with our essential strategies and best practices for optimal results.

Read Now
September 22, 2025
A digital illustration of an email inbox, with vibrant emails on one side marked with checkmarks and dull spam messages on the other side with warning signs, se

Why Your Sales Emails Keep Hitting the Spam Folder

Learn why your sales emails hit spam and discover strategies to enhance deliverability and boost engagement for better results.

Read Now
September 22, 2025
A vibrant digital illustration depicting email delivery, featuring envelopes, server icons, and arrows showing the flow of messages, highlighting DNS and MX rec

Which Type of DNS Record Identifies an Email Server?

Learn how MX records identify email servers, ensuring reliable delivery and best practices for configuration to avoid disruptions.

Read Now
September 22, 2025

Heading

Cold Emails vs. Marketing Emails vs. Transactional Emails:

Get the free book

Expert Email
Deliverability Managers

Our highly experienced email deliverability managers consistently help clients achieve inbox placement rates (IPR) of more than 90% by uncovering and resolving the issues that keep messages from their intended recipients. Are you ready to do the same?