Mailer To Go Blog

Guides, tutorials, and insights on transactional email, deliverability, and email infrastructure.

Why You Should Use a Subdomain for Sending Email

June 1, 2026 by Mailer To Go
Worried a sending subdomain means your mail looks like it's from a different domain? It doesn't — recipients still see your root domain, and deliverability improves. Here's why, and how to set up mtg.yourdomain.com.

Using Mailer To Go on Heroku, Addons.io & Build.io

March 26, 2026 by Mailer To Go Team
A practical guide to adding transactional email to your Heroku-compatible app — whether you deploy on Heroku directly, through Addons.io, or on Build.io.

12 SendinBlue Alternatives For Email Marketing in 2023

March 26, 2026
Explore SendinBlue alternatives with 12 diverse email marketing automation and streamlining solutions, curated to meet your unique business marketing needs.

14 Transactional Email Best Practices & 20 Email Types

March 26, 2026
Wondering about transactional email best practices and types? Discover 20 different types of transactional email and the 14 best practices you should follow.

6 Simple Steps to Improve Email Deliverability

March 26, 2026
Learn best practices that you can employ to improve email deliverability. Follow these tips to enhance your sender reputation for successful email campaigns.

Email Authentication Methods Part 1: What Is DKIM?

March 26, 2026
What is DKIM? Learn its role in email verification, tamper prevention, and security, how it works, and how to implement it to boost your deliverability and ROI.

Email Authentication Methods Part 2: What Is an SPF record?

March 26, 2026
What is SPF? What is an SPF record? Learn how to protect your email from cyber criminals, and boost deliverability and marketing ROI with SPF authentication.

Email Authentication Methods Part 3: What Is DMARC

March 26, 2026
What is DMARC? Why does DMARC matter? Protect your brand from email fraud and spoofing, and learn how to implement and use DMARC authentication.

Email Security Best Practices: 16 Tips To Keep Your Business Safe

March 26, 2026
Avoid data breaches, phishing attacks, and email compromise with 16 email security best practices that incorporate the latest encryption and security protocols.

Email Subdomain 101: All You Need To Know

March 26, 2026
Sending from an email subdomain bolsters your email marketing strategy. Discover stats & insights to learn how & why you should start using subdomains today.