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Amy · 23 min read

Guide to OTP messages: What are they and how to set them up

OTP messages have two big benefits: they boost the customer experience by improving the login process, and they make apps and websites more secure by preventing hackers from gaining account access.

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Duncan · 4 min read
How Complex Law went from blocklist issues to reliable sending in 24 hours with MailerSend

Complex Law handles a high volume of legal cases, and it needs to send email notifications for each one.

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Duncan · 11 min read
How to send triggered emails: 4 methods and which one to choose

There are many ways to trigger emails. For apps and websites, the best options are typically using an email API to build triggers into your code or, in some cases, sending the emails via SMTP.

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Amy · 16 min read
What is an email API? And when to use one for your transactional email

An email API is a service that lets your application send email programmatically via code instead of a mail client. It handles delivery, tracking, and inbox placement behind a simple API call, and is the best way to set up email sending on your website, app or store.

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Duncan · 13 min read
How to warm up an email domain (plus full sending schedule)

Congratulations: you’ve got a new client that you need to send emails for. But before you hit send, make sure to warm up your domain first.

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Duncan · 10 min read
How to master transactional WhatsApp messaging for your business

WhatsApp is the most popular messaging platform in the world. People on the platform read 98% of the messages they receive, often within minutes of delivery. For businesses sending time-sensitive transactional messages, this makes the tool hard to ignore.

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Agathe · 16 min read
SMTP email queue: how it works, what causes backlogs, and how to fix them

When you send thousands of emails at once, the SMTP email queue is the unsung hero that keeps things from falling apart.

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Amy · 15 min read
Essential email DNS records and how to set them up

DNS records are what tell the internet's mail servers that you're a legitimate sender, and without the right ones in place, your emails may never reach the inbox.

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Amy · 12 min read
How to package transactional messaging as a managed agency service

Transactional messaging is a crucial part of the customer experience. Clients need it, they often don’t want to manage it themselves, and once you set it up, the ongoing workload is essential but minimal.

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Amy · 8 min read
How to send SMS text messages with PHP

You can use PHP to quickly and easily start sending bulk SMS messages to your customers in minutes. Here’s how to add SMS sending to your stack.

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