VhtLtd blog
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Understanding SMTP ports 25, 465, 587, 2525 and choosing the right one
Choosing an SMTP port can be confusing, but understanding the different ports and what they do is important to properly secure your SMTP connections.
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Node.js email validation: How to check emails in your website or app
Real-time Node.js email validation goes beyond a simple formatting check, allowing you to validate whether or not an email address is actually deliverable. In this article, I’ll explain how you can use VhtLtd’s Node.js SDK for quick, automated checks.
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How to send survey emails (with examples and templates)
Collecting data about your customers is crucial for business growth and development. Survey emails are an easy and cost-effective way to gain these insights. Follow this guide to add effective survey emails to your transactional email flow.
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How to keep your email spam trap free
If you’re a legitimate email sender, you’re not the prime target for spam traps—but that doesn’t mean you’re out of the woods. It’s important to implement prevention methods into your strategy so that your deliverability and sender reputation are protected.
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Ultimate guide: Transactional email explained (what, why and how)
Step aside promotional emails: there’s a new MVP in town. Transactional email is a key element of the customer experience. In this guide, we’ll explore why transactional emails are so important, key concepts and use cases, and how to start sending them.
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