The Complete Guide to Email Authentication: SPF, DKIM, and DMARC
This guide walks you through what each protocol does, how to set them up, and the common mistakes that silently wreck your inbox placement.
Akash Bhadange • 2/17/2026 • how to guide
The email blog
Stories, strategies, and insights for sending better emails.
The List-Unsubscribe Header: A Complete Guide
The List-Unsubscribe header lets Gmail and Yahoo show a native unsubscribe button on your emails. Here's how it works and how to set it up correctly.
Akash Bhadange • 1/27/2026 • engineering
Why Gmail Says Your Emails "Appear Suspicious" (And How to Fix It)
Gmail marking your emails as suspicious? Fix DMARC strict alignment with this SPF, DKIM, and DMARC DNS configuration guide.
Akash Bhadange • 1/7/2026 • how to guide
How to Read Email Metrics and Actually Improve Email Performance
Email metrics explained: what each number means, healthy benchmarks, red flags to watch for, and how to turn analytics into better email performance.
Akash Bhadange • 1/1/2026 • how to guide
How to Stop Emails from Going to Spam (Complete Guide)
18 email mistakes killing your deliverability: missing authentication, new domain blasts, URL shorteners, poor personalization, and more. Plus how to fix each.
Akash Bhadange • 12/30/2025 • how to guide
How to Warm Up a New Email Domain: Step-by-Step Guide for High Deliverability
Learn how to warm up a new email domain with proven schedules and strategies. Avoid spam folders and build lasting sender reputation.
Akash Bhadange • 12/18/2025 • how to guide
AutoSend Partners with Dodo Payments to Power Transactional Email Notifications
Dodo Payments customers can seamlessly integrate AutoSend's email API to handle all payment-related notifications, from transaction confirmations to subscription updates.
Akash Bhadange • 12/2/2025 • product updates
SMTP vs API: Complete Developer Guide
Complete technical guide comparing SMTP vs API for sending emails. Includes code examples, performance benchmarks, and decision framework for developers.
Akash Bhadange • 11/12/2025 • engineering
Why AutoSend Doesn’t Have a Free Plan
How protecting deliverability, reliability, and focus shaped our decision to not offer the free plan.
Akash Bhadange • 11/11/2025 • engineering
The Hidden Cost of Poor Email Deliverability
Poor email deliverability hurts trust, engagement, and revenue. Learn how to protect your domain and improve email deliverability with AutoSend.
Akash Bhadange • 11/1/2025 • email marketing
Do Transactional Emails Need an Unsubscribe Link?
Learn when transactional emails need an unsubscribe link, when they don’t, and how to stay compliant with CAN-SPAM and GDPR rules.
Akash Bhadange • 11/1/2025 • email marketing
How SPF, DKIM, and DMARC Work Together to Protect Your Domain
Learn how SPF, DKIM, and DMARC protect your domain from spoofing and phishing, improve trust, and boost email deliverability.
Akash Bhadange • 10/29/2025 • how to guide
How to Get a Verified Checkmark in Gmail with BIMI
Learn how to set up BIMI to display your verified logo and checkmark in Gmail to boost trust and email deliverability.
Akash Bhadange • 10/29/2025 • how to guide
SendGrid Alternative: Why AutoSend Is the Best Modern Email Platform
Looking for a SendGrid alternative? Discover why AutoSend is the best modern email platform for transactional and marketing emails with simple pricing and reliable deliverability.
Akash Bhadange • 10/27/2025 • email marketing
How to Warm Up a New Domain for Transactional Emails
Learn how to warm up a new domain for transactional emails with this step-by-step guide. Improve deliverability, build reputation, and avoid spam filters.
Akash Bhadange • 10/14/2025 • how to guide
Emails Going to Spam? Here’s How to Fix It
Learn why your emails are going to spam and how to fix it. A simple guide to improve email deliverability, authentication, and sender reputation.
Akash Bhadange • 10/14/2025 • how to guide
Avoid These 5 Mistakes While Sending Transactional Emails
Learn the common mistakes teams make when sending transactional emails and how to fix them for better deliverability, clarity, and compliance.
Akash Bhadange • 10/14/2025 • engineering