MailerSend

MailerSend blog

Amy · 8 min read

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.
Amy · 10 min read

What is SMTP relay and how does it help email deliverability

Want to learn more about SMTP? You’ve come to the right place! Here’s everything you need to know about SMTP relay so you can quickly integrate email sending into your workflow.
Amy · 5 min read

IP allowlisting is your key to more secure email sending

Phishing attacks are among the most damaging threats to businesses. Check out how MailerSend’s IP allowlist helps thwart malicious attacks and protect your sending reputation.

Amy · 10 min read

Why top brands use real-time email validation—and you should too!

Real-time email validation preemptively keeps your email list healthy so you can focus more on sending and less on cleaning up! Here’s how it works and how to get started.
Šarūnas · 10 min read

10 password reset email examples and best practices for better customer experience

Password reset emails may seem like simple emails that don't require much thought, but that’s a mistake! With these best practices, they’re a goldmine of opportunities!
Amy · 9 min read

Improve security with OTPs: Guide to one-time passwords

If you’re looking for a way to make your customers’ experience and your app or website more secure, one-time passwords (OTPs) are the ideal solution—and you can start sending them today with MailerSend!
Amy · 6 min read

How email verification can optimize your transactional email sending

Your recipients’ email addresses are your most valuable asset—but how can you be sure that they’re all accurate? Email verification is the best way to keep your email list free from invalid email addresses, ensuring optimum deliverability and inbox placement.
Amy · 6 min read

How to send email on behalf of your clients

If you’re managing the transactional email of several clients or brands, authenticating multiple domains can be a hassle (or simply not possible 😵). We’ll show you how to send email on behalf of clients, securely and reliably, without the need for domain authentication.
Amy · 12 min read

Use automated confirmation emails to build trust (with 20+ examples)

Customers love to receive confirmation emails because it feels good being assured about something they just did. After all, certainty is one of the basic human needs that influences how we make decisions.
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