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Amy · 14 min read
What is an MTA and what role do they play in email delivery?

MTAs (Mail Transfer Agents or Message Transfer Agents) are responsible for transferring every single email message from the sender to the receiver, making them a crucial part of a mail server.

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Agathe · 9 min read
Understanding SMTP email queues

SMTP email queues help to deliver emails more efficiently by temporarily storing them on a mail server. They are especially useful when sending large volumes of messages or when experiencing server or network issues.

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Šarūnas · 25 min read
How to send emails in Python (with script examples)

Thinking about using Python to send emails? The versatile programming language is a good choice for sending emails due to the various libraries available, not to mention its ease of use.

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Amy · 17 min read
What is SMTP relay and how does it help email deliverability

SMTP relays simplify email sending for users by facilitating the transmission of emails from one SMTP server to another. They do a lot of the hard work to make your email delivery reliable and secure.

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Šarūnas · 23 min read
How to send emails with Node.js: Email API or Nodemailer (SMTP)

Node.js is a powerful JavaScript runtime known for its non-blocking, event-driven architecture and ability to handle asynchronous operations well—including email!

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Amy · 16 min read
How to get started with real-time email validation—with code examples

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.

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Šarūnas · 15 min read
How to send emails in Ruby (with examples)

Ruby is a popular open-source programming language enjoyed for its simplicity and versatility. Learn how you can send emails in Ruby and get advanced functionality when used with MailerSend's email API.

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Amy · 14 min read
Guide to email security: Secure your email and environment

No matter how big or small your business, email security should be a top priority to prevent email-based cyber attacks that could compromise confidential data and accounts.

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Amy · 16 min read
The complete guide to email accessibility

When it comes to emails, and especially transactional emails, accessibility is right up there with deliverability in terms of importance. So it’s essential that you follow accessibility best practices and refer to the appropriate standards.

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