WordPress SMTP Email, 
Done Right.
100% Free. Forever.

SendGrail SMTP is the most powerful free WordPress SMTP plugin. Fix your email deliverability, get full visibility, and never miss a critical notification again.

  • No pro plan required
  • No hidden fees
  • Open source
  • No credit card
Download Free Plugin Explore Features
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Everything you need

Pro-level features. Zero cost.

Every feature is available to every user, from day one. No tiers, no upsells — just the most complete free SMTP plugin for WordPress.

Setup Assistant

Get up and running in minutes with our guided wizard that configures everything for you automatically.

One-click Migration

Switch from any other SMTP plugin instantly. Your settings are imported automatically — no rebuilding required.

Email Logs

A complete searchable history of every email your site has sent, with full metadata and delivery status.

Conditional Email Routing

Route transactional, marketing, and admin emails through different SMTP connections based on your rules.

Secondary Connection

Configure a backup SMTP provider that automatically takes over if your primary connection ever fails.

Email Delivery Test

Send a live test email straight from your WordPress dashboard to verify your SMTP connection is working.

Email Simulation

Preview how emails look and behave in a sandbox environment before they go out to real recipients.

Failure Notifications

Receive instant alerts when emails fail to deliver so you can act fast and never leave a customer hanging.

Reporting Dashboard

A beautiful, at-a-glance overview of your email performance with trends, delivery rates, and more.

Open & Click Tracking

Know exactly who opened your emails and what links they clicked, right inside your WordPress dashboard.

Weekly Email Summaries

Get a digest of your email activity delivered to your inbox every week so you always stay in the loop.

Email Reports

Download detailed reports on deliverability, open rates, and clicks. Share them with your team effortlessly.

14 providers & counting

Connect your favourite email provider

Works seamlessly with all major SMTP providers. Switch anytime — your logs, settings, and reports stay right where they are.

Google Workspace

Gmail & Google SMTP

Microsoft Outlook

Office 365 & Exchange

SendGrid

Transactional emails

Postmark

Developer-focused SMTP

Brevo

Marketing & transactional

Mailgun

API-based email service

Amazon SES

Scalable cloud email

Netcore

Email intelligence

SparkPost

Predictive deliverability

Elastic Email

Affordable bulk email

Mandgrill

Fantastic email delivery

SMTP2Go

Reliable delivery service

SendLayer

WordPress-first SMTP

Zoho Mail

Business email suite

Mailjet

Real-time collaboration

Mailtrap

Amazing service for pro

Yahoo!

Your true business partner

Your WordPress emails, finally reliable.

Join thousands of WordPress site owners who trust SendGrail SMTP to deliver every email, every time — at absolutely no cost.

  • 12 powerful features
  • 14 email providers
  • 5-minute setup
  • 100% free forever
Download from WordPress.org ➜ View Documentation

Made with ❤️ for the WordPress community