Power up your email functionality with MailSlurp - Generate real email addresses and send/receive in code. Perfect for developers and QA testers.

Email APIs for Developers and Testers

Email APIs for Developers & QA

IMAP, SMTP, POP3 email protocols compared. Which to use for sending and receiving mail and attachments at scale.

IMAP vs POP3 vs SMTP: the email protocols compared

Difference between IMAP POP3 and SMTP

Learn to Send and Receive Emails in Deno with MailSlurp: A Tutorial for the JavaScript Runtime created by NodeJS's inventor Ryan Dahl.

DenoJS send email

Deno Email APIs for Sending Emails

Learn how to secure your emails with DKIM, SPF, and DMARC. This guide covers detailed setups and configurations to protect email authenticity and prevent spoofing.

Master Email Security: Definitive Guide to DKIM, SPF, and DMARC

Definitive Guide to Email Security: DKIM, SPF, and DMARC

Easily Verify Domains and Query Mail Servers with MailSlurp - Fetch Name Server Records for Free using the MailServerController

DNS name server records

DNS Lookup Nameservers

Understanding DMARC: A technical standard to protect email users from phishing and spam mail while enhancing email deliverability.

DMARC email setup

DMARC – All Facts that you should know

How to use custom domains with MailSlurp. Create email addresses with your own domain and send and receive email from tests, apps, or the web app.

Setup custom email server domains

Creating custom domains

Use MailSlurp to create real email addresses on demand. Generate test email accounts or create permanent user email addresses when and where you need them.

Email Account API

Create email accounts on demand

Send and receive using test email accounts (in 3 easy steps). Disposable and permanent mailservers with custom domains.

Throw away email accounts. On demand testing inboxes.

Create a free MailSlurp account today!

How to procure an account using a quote and invoice

Generate a MailSlurp plan with a estimate

Create a MailSlurp subscription using a quote today!

Converting Files to Base64: Node.js, Java, and Golang Ways

Email attachment upload and send

Converting Files to Base64 Strings in Different Languages

How to configure DNS records for SMTP mail servers or MailSlurp custom domains.

Setting up DNS records for sending SMTP emails

Configuring DNS records for SMTP is important for email delivery.

Sending emails with multiple recipients? Learn how to bypass MailSlurp's limits with batching in our guide on sending API requests.

Combining API Calls for Email Receivers

Batching API Requests for Email Recipients

Mastering CC and BCC in email: the ultimate guide to understanding the differences and making the most of these features for maximum efficiency.

BCC and CC SMTP email settings

BCC and CC in SMTP emails

The Ultimate Guide to BCC Email Etiquette: What it is, How to Use it, and Proper Etiquette" - Everything you need to know about BCC in a minute!

Mastering BCC: Uses, Etiquette, and Risks

BCC For Email: What It Means And When To Use It

Master the art of email deliverability! Discover how to avoid spam filters and ensure your messages reach your audience with these expert tips.

Skip spam filter mailbox

Avoiding email spam filters

Setup bounce notification webhooks for your account to reduce email bounces. Respond to bounce events by saving bounce recipients.

Reduce email bounces with webhooks and bounce warnings

Avoid email bounces and improve reputation by following best practices

Configuring Automated Email Reply Rules for Inboxes and Catch-All Addresses using MailSlurp. Set up customizable repliers, track events, and more!

Automated Email Responses using Inbox Responders

Automated Email Replies with Inbox Repliers Plus

Install and configure MailSlurp using SDK libraries or REST API. Create phone numbers and email accounts and control them in code and tests.

Quick start create email addresses and phone numbers

Introduction to MailSlurp

Create email addresses and control mailboxes with MailSlurp's secure inbox functionality. Send and receive emails with ease. Learn how here!

Create email addresses

Creating mailboxes with MailSlurp

Receive emails with http webhooks. Webhooks let you respond to inbound email streams in real time on your server or within an application.

Email HTTP webhooks and push notification for SMTP events.

Webhooks events for email and SMS

How to wait for email messages in code that match search criteria. Pattern matching and regular expression examples.

Email content matching, search, and filtering examples

Wait for matching email content

A tutorial on testing email dependant actions using MailSlurp test email accounts. Intercept inbound emails in tests and extract confirmation codes.

Testing user sign up with test email accounts and MFA/2FA

Testing User Sign-Up and Email Confirmation

How to test applications that use two-factor (2FA) authentication and one-time TXT/SMS message passwords and codes.

Test one-time passwords for SMS/TXT OTP and 2FA logins

Testing SMS based authentication (2FA/OTP)

How to manage MailSlurp team access to an organization. Create custom company mailservers, email routing, and forwarding. Configure member permissions.

MailSlurp team email addresses (share mailbox access)

Team members share email accounts for collaboration and communication.

Master sending and receiving email attachments with SMTP emails. Learn how to upload, download, and attach files using MailSlurp.

Email SMTP attachment API

Sending and Receiving Email Attachments

Configure Laravel PHP projects with MailSlurp mailservers to send and receive email in code and tests.

Test Laravel Dusk by sending emails via Mailable or Notification.

Send emails in Laravel using Mailable or Notification (test with Dusk)

Use inbound and outbound email in code, mail-clients, or online dashboard. Add attachments, configure webhooks and gain SMTP access.

Send email and read mail in code from custom mailboxes.

Send and receive emails and attachments using MailSlurp

How to access MailSlurp email accounts using IMAP and SMTP servers. Configure your mail clients or programming SDKs to use SMTP protocols.

Setup SMTP IMAP ports with MailSlurp email servers

SMTP IMAP Mail Settings

Deliver emails with confidence using MailSlurp's email verification API. Validate addresses in code or through the online dashboard for improved deliverability.

Email verification: check a list of emails for valid addresses

Reduce Email Bounces with Email Verification

How to fetch and view emails with mail clients, code, or tests. Download attachments and view HTML previews using webhooks, REST, or SMTP.

Download emails in PHP, Node, DotNET, Java and more.

Receiving and downloading emails

Set inbox routing rules to block or allow inbound and outbound emails. Employ recipient patterns to filter mail.

Email account routing (block emails) and filtering

Inbox rules: permissions and routing (allow, block, filter)

How to send emails in code and tests. Use MailSlurp email APIs in Javascript, Java, PHP, CSharp and more. Works with SMTP clients or REST SDKs.

How to send emails programmatically (using MailSlurp)

How to send and receive emails in code and tests

How to Setup MailSlurp with Outlook, Gmail, Thunderbird, Mail App and More: A Guide to SMTP and IMAP Access for Your Email Addresses

Configure SMTP email clients

How to configure Mail desktop clients with MailSlurp

Email Open Tracking with MailSlurp: Send tracking pixels to see if emails are opened, and receive open events via webhook or dashboard view.

Track email open seen

Email tracking pixels

Configure Email Forwarding for Inbound Messages: MailSlurp allows you to create rules and forward incoming emails to specified addresses.

Email forwarding service

Email auto-forwarding rules

Custom email account domain setup. Attach your hosting to MailSlurp mailservers using DNS records. Add DKIM for identity.

Custom email domain setup guide - with screenshots

Email address custom domain setup - (step by step guide)

Email forwarding API for automatic email proxy. Setup auto-forwarding email aliases to mask a real email address.

Email aliases proxy services

Email Aliases: Your Shield for Online Privacy

How to match email content and use regex or server side matching to extract patterns. Capture links and verification codes from emails.

Extracting email content from SMTP mail with regex

Find and retrieve content within emails

Golang Email Test

Firebase Examples

Php Codeception Acceptance

Golang Smtp Client Test

Python2 Pytest

Javascript Cypress Js

Csharp Dotnet Core 8 Smtpclient

Javascript Jest Puppeteer

Javascript React Email

Javascript Cypress Sms Testing

Javascript Codecept Js

Flutter Email Test

Ruby Minitest Netsmtp Example

Java Maven Selenium

Golang Imap Examples

Deno Email Api

Wait For Methods Vitest

Php Laravel Phpunit

Ruby Cucumber Test

Sendgrid

Nim Unittests

Powershell Windows Cmd

Csharp Dotnet Core2 Selenium

Swift Email Smtp Examples

Nodejs Nodemailer Smtp Example

Imap Smtp Examples

Bun Js Send Email

Java Spring Boot

Php Composer Phpunit

Javascript Testcafe

Ruby Rspec

Javascript Cypress Newsletter Signup

Javascript Axios

Nodejs Smtp Email Attachments Test

Javascript Webdriver Io

Powershell Email Send Ps1

Playwright Sms Testing

Scala Scalatest Email

Dart Email Testing

Rust Selenium Email Testing

Java Jakarta Mail

Csharp Smtp Client Xunit

Playwright Email Testing

Telnet Imap Smtp Sh

Csharp Specflow Mstest Selenium

Python3 Pyunit

Fsharp Email Mstest

Ruby Capybara Cucumber Selenium

Python3 Django Playwright

Next Auth Example

Java Maven Junit4

Kotlin Email Test Example

Csharp Dotnet Core3

Curl Imap Smtp

Javascript Cypress Mailslurp Plugin

Rlang Email Sending In R

Javascript Email Screenshot

Java Serenity Jbehave

Javascript Cypress Js Open Email

Python3 Robotframework

Visualbasic

Java Gradle Junit5

Csharp Dotnet Core7 Nunit

Elixir Phoenix Hound

Java Testng Selenium

Powershell Imap Smtp

Verify your email security and prevent email spoofing with SPF. Learn how it works and create your SPF record to protect your reputation.

Everything about SPF email documentation, explained in detail.

All you should know about SPF email records

How to Get Your Free MailSlurp API Key and Access Your Inbox: A Step-by-Step Guide for HTTP Requests and SDK Clients

Setup MailSlurp API Key

API Key (how to configure MailSlurp)

Reduce HTTP API Rate-Limit Exceptions: A Guide to Identify Causes, Batch Requests & Use Webhook Push with MailSlurp API

Avoiding API rate limits

How to handle rate-limit exception in MailSlurp

Sending Email in Azure: How to use MailSlurp to bypass SMTP limitations. Learn how to integrate and send emails securely in your Azure environment.

Send email with Azure cloud services

The Most Advanced Guide on Azure Email Sending

MailServers use TCP ports to transmit emails. Picking the right port between 25 vs 2555, 465 vs 587 in SMTP is easy with this guide.

SMTP Port 465 25 587 2525

What Is The Best SMTP Port To Use?

How to Set Up a Catch-All Email Inbox with MailSlurp for Your Custom Domain and Define Inbound and Outbound Rules.

Guides - Page 5