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Email API, deliverability, and QA engineering blog - Page 21

Tactical writing for teams building reliable email and SMS workflows in development, CI, and production operations.

Page 21 of 27 317 posts

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technical

Reformat .NET core projects using Resharper CLI tools

Easily format C# code in .NET Core projects with the free Resharper Command-Line Tool. Learn how to install and use it with this tutorial.

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technical

Quick Start Javascript - A Beginner's Guide

Send and receive emails with ease using MailSlurp's official NodeJS Client - a simpler and more powerful SMTP mail server interface. Get your free API Key now!

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technical

PHPMailer Tutorial: Send Email with PHP via SMTP (Production Ready)

Learn PHPMailer setup with Composer, secure SMTP configuration, HTML + text sending, attachments, and troubleshooting for production PHP apps.

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technical

OTP SMS Verification Tutorial: Build, Verify, and Test End to End

Implement SMS OTP verification with a secure backend flow, resend limits, and deterministic test coverage for signup and login journeys.

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technical

Multi-factor Authentication (MFA): All You Need to Know

Multi-Factor Authentication: Increasing Digital Security for Users. Learn how MFA works and its benefits in protecting against cyberattacks.

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technical

Multi-Factor Authentication (MFA) requires multiple verifications to access an account.

Enhance Your Security with Multi-Factor Authentication: Learn about the benefits, types, and working concept of this crucial identity verification method.

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technical

MTA-STS and TLS-RPT: How to Harden SMTP Transport Security

Deploy MTA-STS and TLS reporting to reduce downgrade/MITM risk for SMTP delivery and monitor transport failures across receiving domains.

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technical

Learn the Right Way to Calculate Email Open Rate!

Maximize your email marketing success with our guide on calculating email open rates. Learn the formula, track your performance, and boost engagement!

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technical

Keeping Your Email List Clean: Avoiding Bounces and Complaints

Prevent Email Bounces and Protect Your Spam Ranking with MailSlurp's Free Email Validator Tool. Discover effective ways to clean your email lists.

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technical

Install Swift on Debian for Swift development.

A Comprehensive Guide to Install and Use Swift on Ubuntu: Easy Step-by-Step Instructions, PATH Exporting, and Missing Dependency Handling.

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technical

Install Conda on Linux/OSX for python - Step-by-step guide

Mastering Python Package Management and Email Testing with Conda and MailSlurp: A Step-by-Step Guide for Developers

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technical

HTML mailto link syntax, examples, subject, body, CC, and BCC

Build reliable HTML mailto links with correct syntax, subject and body parameters, URL encoding, CC, BCC, examples, and fallback testing guidance.

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