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

Top 10 Email Deliverability Tools to Boost Your Inbox Placement in 2025

Discover the best email deliverability tools for 2025, including MailSlurp, GlockApps, and Postmark. Improve your email testing, boost open rates, and ensure your messages land in the inbox.

April 4th, 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

Send/receive email with Amazon SES

Manage your transactional emails cost-effectively with Amazon SES. Send authentic messages with high deliverability. Try it now! #SES #AWS

January 1st, 2023

The Working Principles of 2FA Hardware (two factor authentication)

UFA and 2FA provide secure authentication for single-sign on applications and is an essential part of modern development.

January 1st, 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

Tips for Avoiding Spam Filters and Increasing Email Deliverability

Mastering Email Filters: Boost your email deliverability and engagement rates by learning how to avoid the spam folder with these effective tips.

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.

Email API and testing blog