There are two email transfer methods: SMTP relay and Web API. Check out the pros and cons of each of them to know which one is the best for your project.
Step-by-step guide on building a modern HTML email from scratch, with development tips and tricks as well as a list of useful tools and templates: all in one post!
550 5.1.1 User unknown is a server error response code to RCPT TO command. Learn what it means, how to fix and avoid this issue on different servers
It’s not hard at all to use a Gmail account with Nodemailer. We explain how to set up, talk about limitations and also offer alternative approaches.
SMTP relay is the process of routing emails to the proper destination SMTP server. Check out several options to test your SMTP server for relaying
Quick and comprehensive overview of Amazon SQS, its capabilities, pricing as well as testing examples. After reading this tutorial, you will be able to set up Amazon SQS and decide if it is a good fit for your further projects and integration with other AWS services.
SMTP Relay is one of the key elements behind the delivery of nearly any email. We explain what it is and how it's used.
Amazon SNS may not be known as a tool for sending emails. It does it pretty well, though, and allows for a lot more with available integrations.
A local SMTP server can be a decent alternative to third-party email services. Find out how to set up your own SMTP server on macOS, Linux, and Windows
Email queue is a component of SMTP servers that creates an array of emails to be processed for delivery. Find out more about queuing on and beyond the mail server.