Opptima Blog — Email Marketing, SMS and WhatsApp Business

The 7 Most Serious Mistakes in Email Campaigns for Fine Management and Legal Notifications

Introduction Are you sure your emails about fines, legal notifications, or collection processes are arriving correctly? In this kind of communication there’s no margin for error: if the message isn’t delivered, you could be facing legal problems, missed deadlines, or lost cases due to improper notification. The thing is, many companies still use traditional methods […]

July 24, 2026by Camila de Opptima

Marketing

SMTP or email marketing? Which one should you use for sensitive notifications, and why?

Introduction Are your collection emails or legal notifications reaching their destination? It’s a question many companies should ask themselves. In a digital world where traceability, legality, and accuracy matter more than ever, using the wrong tool to send sensitive emails can cost you dearly: from lawsuits for failure to notify properly to regulatory penalties. Not […]

July 24, 2026by Camila de Opptima

Technology

Why Using Opptima’s Transactional SMTP Is the Best Option to Send Emails from Your Server

Introduction When it comes to sending emails from your app or website, many companies consider using their hosting’s own server. However, this practice can create several problems, especially if you need to send a high volume of emails or manage important notifications like registrations, password resets, or order updates. In this blog, we explore why […]

July 24, 2026by Camila de Opptima

Opptima Blog — Email Marketing, SMS and WhatsApp Business

Recent Posts

The 7 Most Serious Mistakes in Email Campaigns for Fine Management and Legal Notifications

SMTP or email marketing? Which one should you use for sensitive notifications, and why?

Why Using Opptima’s Transactional SMTP Is the Best Option to Send Emails from Your Server