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Opptima Blog — Email Marketing, SMS and WhatsApp Business

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

Are You Using the Cold Emailing Strategy Correctly? Learn How to Optimize Your Awareness Campaign with Opptima
Deliverability

Are You Using the Cold Emailing Strategy Correctly? Learn How to Optimize Your Awareness Campaign with Opptima

Introduction Cold emailing is one of the most controversial and debated strategies in digital marketing. Many marketers see it as an effective technique for reaching new customers, while others consider it risky and unethical. But when done right, cold emailing can be a powerful tool for generating business opportunities. If you have access to a […]

by Camila de Opptima
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