MailSlurp developer blog

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Where is PHP.ini on different systems? How to find it and what does it do?

How to locate php ini config files on various systems and versions

October 10th, 2025

PHP mail() Function - the ultimate guide to email in PHP

The Ultimate Guide to Sending Email Using Built-in PHP SMTP and Sendmail

October 10th, 2025

The ideal email design dimension for various campaigns

The Importance of Email Template Size: Guidelines for Design and Measurement - Discover how the right size can impact your email's success.

March 3rd, 2024

RCS Messaging Explained

Discover the capabilities of RCS chats in messaging for Android devices and its potential as a new alternative to SMS. Will it become the next big thing?

March 3rd, 2024

How to send email in Deno

Discover how to use SMTP in Deno JS for advanced email operations, ensuring efficient email sending and receiving at the edge.

March 3rd, 2024

How to send emails in Bun JS

Send email fast on the edge or serverside using bun.sh alternative javascript runtime. Learn how with this Bun.js email tutorial.

March 3rd, 2024

Verify email addresses without sending mail (techniques compared)

How to check an email account exists before sending

February 2nd, 2024

Spamassassin spam filters for all!

Understanding SpamAssassin: The Ultimate Spam Filter. How to configure your own spam filters.

December 12th, 2023

VIM hard mode (disable backspace and arrows)

Dive into the deep by forcing neovim navigation keymapping

September 9th, 2023

Write SpringBoot tests using Playwright browsers in Java

Learn how to efficiently test Spring views with Playwright and SpringBootTest in Kotlin and Java. This guide by MailSlurp offers a comprehensive approach for developers.

September 9th, 2023

Run a python server on Kubernetes with a single YAML configuration

July 7th, 2023

&NBSP in Emails: A Guide to using HTML Spacing with Non-Breaking Space Entities

Mastering Non-Breaking Space characters in HTML: Learn how to use nbsp in emails effectively and when it's best to consider alternative spacing options

June 6th, 2021

noreply@example.com email addresses

Why You Should Avoid a Noreply Email for Your Marketing Campaigns: Building Trust and Engagement with Your Email Contacts

Yes, you can add Gifs to emails! Just make sure the client supports it.

Maximize email engagement by adding GIFs! Discover the best places to find them, how to create and insert them, and transform videos into GIFs.

Who Invented Email? The Fascinating Story of Ray Tomlinson

American Ray Tomlinson and Shiva Ayyaduari are both created with conceiving of and creating electronic mail or email.

Which SMTP Port Should I Use?

Choosing the Right SMTP Port: Understanding the Primary Roles of SMTP Ports and Which One to Choose for Your Email Service Provider.

Which Industries Require 2FA for Enhanced Security?

Two-factor authentication is common security requirement for many businesses. Adding MFA or 2FA user access to your organization or product is essential.

What's an SMTP port and How to Choose the Right One?

Choosing the right SMTP port is important for efficient email transmission. Learn about the different types with our comprehensive guide.

Email API and testing blog