Blog

MailSlurp technical blog from the developers. Posts about email API testing and features added to the platform and new examples.

Latest posts and updates from the MailSlurp developers.

Create custom print classes with Tailwind

January 1st, 2022

Configure tailwind.config.js to create prefixed classes with a custom media query.

Maximum Email Size and How to Optimize It

December 12th, 2021

Email sizes are fundamental for a few important reasons. One is security, and another is the performance of your email.

How to choose the right email design size (for various campaigns)

December 12th, 2021

Email sizes can be instrumental to determine if your consumer will comprehend and engage with your content. While the template width (600 px) is typical, there are nuances to be mindful of. There are no hard and fast standards for email template height like design blocks.

SPF Records Explained: What Are They?

November 11th, 2021

An SPF record is now required for reliable email delivery. It protects your emails from being faked. This protects you against phishing scams and trollers.

Markdown Heading Sizes

October 10th, 2021

How to specify headers h1, h2, h3 and more in Github flavoured Markdown

The Recommended Email size

June 6th, 2021

The Recommended Email size

The Difference between POP3 Vs. IMAP Emails

June 6th, 2021

The Difference between POP3 Vs. IMAP Emails

SMTP Port Guide

June 6th, 2021

SMTP Port Guide

What is an SMTP Server?

June 6th, 2021

How do SMTP servers work and what is a fake smtp server

HTML entities NBSP in emails

June 6th, 2021

HTML entities NBSP in emails

What is DKIM Email

June 6th, 2021

How to setup and configure DKIM signatures with the sender policy framework (SPF)

DotNET Core Cake Task Runner (CSharp Makefiles for coverlet code coverage and more)

June 6th, 2021

Create cross platform build scripts for DotNET Core in a way similar to Makefiles.

CC and BCC in SMTP

June 6th, 2021

CC and BCC in SMTP

Mailto links tutorial

June 6th, 2021

Tutorial mailto links in HTML emails

Avoiding Spam Filters

June 6th, 2021

Avoiding Spam Filters

Hugo responsive image srcsets

February 2nd, 2021

Serve responsive picture tags with custom render-image layout partial in Hugo static site generator.

Generate random disposable or permanent email addresses

February 2nd, 2021

Generate random emails in code or visual dashboard.

Who Invented Email?

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