Engineering & Product Blog
In-depth technical tutorials, deliverability architectures, and best practices from the Mailofly team.
Guides about mailofly
Clean Before You Send: Mailprob Now Verifies and Cleans Contact CSVs Directly Inside Campaigns
Mailofly Team
SPF, DKIM, and DMARC: The Complete Guide to Email Authentication in 2026
Master the three pillars of email authentication: SPF, DKIM, and DMARC. Learn how to configure your DNS records, satisfy Google and Yahoo sender requirements, and keep your emails out of the spam folder.
Mailofly TeamSMTP vs. Email API: The Complete Developer Guide for 2026
A comprehensive comparison of SMTP vs REST Email APIs. Compare latency, delivery speed, setup complexity, serverless reliability, and learn which protocol fits your tech stack.
Mailofly Team
The Engineering Behind Every Inbox: Mastering Email Deliverability
Mastering email deliverability isn't just about sending; it's about arriving. This guide unpacks the engineering principles and practical steps necessary to ensure your crucial messages consistently land in the inbox.
Mailofly Team
Modernizing Your SaaS: Why a Reliable Transactional Email API is Non-Negotiable
Most emails get ignored—not because of bad tools, but bad messaging. This guide shows you how to write simple, high-converting emails using Mailofly that people actually respond to.
Mailofly Team