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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

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
Difference Between Email Marketing and SMTP: Which One to Choose? | Opptima
Technology

Difference Between Email Marketing and SMTP: Which One to Choose? | Opptima

Introduction For decision-makers at banks, financial institutions, software companies, and collection agencies, digital communication is the engine of the business. But when it comes to structuring that communication, a fundamental technical question usually arises: what’s the difference between SMTP and Email Marketing, and which one does my company actually need? At first glance, both tools […]

by Camila de Opptima
Amazon SES Alternative for the Financial Sector | Opptima
Software

Amazon SES Alternative for the Financial Sector | Opptima

Is your email infrastructure limiting your collection and sales results? For banks, financial institutions, collection agencies, and software companies, the problem is no longer simply sending emails; the real challenge is delivering value, achieving results, and driving user behavior. When it comes to critical notifications, security alerts, payment receipts, or portfolio recovery, relying on basic […]

by Camila de Opptima