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Opptima Blog — Email Marketing, SMS and WhatsApp Business

Recent Posts

This space is dedicated to sharing news, trends and key insights from the world of transactional email marketing

Your Own SMTP Server or Amazon SES? Why “Total Control” Is Killing Your Conversion in 2026
Deliverability

Your Own SMTP Server or Amazon SES? Why “Total Control” Is Killing Your Conversion in 2026

Introduction: The Growth Hacker’s Dilemma In the digital marketing ecosystem, the temptation to set up your own SMTP server or use “black box” services like Amazon SES is strong. However, a company’s real challenge isn’t simply sending messages, it’s driving a specific behavior in the user. A server with no technical control or human support […]

by Camila de Opptima
The Risk of Using Amazon SES in Your Company and Why You Need an Alternative
Deliverability

The Risk of Using Amazon SES in Your Company and Why You Need an Alternative

Introduction In the financial sector, the real problem isn’t simply sending messages; the true challenge is delivering value and results that push the user toward a concrete payment action. Yet many financial services and collections companies face a frustrating technical obstacle: their collection emails get blocked or flagged as spam by generic providers like Amazon […]

by Camila de Opptima
How Much Does It Really Cost to Send an Email with Amazon SES? Full Technical Guide + Comparison with Opptima.co
Technology

How Much Does It Really Cost to Send an Email with Amazon SES? Full Technical Guide + Comparison with Opptima.co

Introduction: why is it important to understand the real cost of sending emails? Sending email can seem simple and cheap if you look at it superficially: many providers publish prices like “$0.10 per 1,000 emails” and leave it there. But when you take this to real production, with attachments, metrics, global endpoints, a dedicated IP, […]

by Camila de Opptima