Back to Authority Mailer SMTP

17 Email Providers,
One Plugin

Authority Mailer SMTP includes pre-configured support for all major email services. Select your provider, enter your credentials, and start sending.

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API Providers

Direct API integration for best performance: SendGrid, Mailgun, Amazon SES, and more.

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OAuth 2.0 Providers

Secure token-based auth: Gmail and Microsoft 365 with one-click authorization.

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SMTP Providers

Traditional SMTP relay: Zoho, custom servers, and any SMTP-compatible service.

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SendGrid

APISetup: 3 minutes

The most popular transactional email provider. Owned by Twilio with industry-leading deliverability and comprehensive analytics.

100 emails/day
View Setup Guide
🔫

Mailgun

APISetup: 5 minutes

Developer-focused email service with powerful API and flexible configuration. Known for excellent documentation and debugging tools.

5,000 emails/month
View Setup Guide
🟠

Amazon SES

APISetup: 10 minutes

Amazon Web Services email service with industry-lowest pricing at scale. Requires AWS account and some technical setup.

None (from EC2: 62,000/month)
View Setup Guide
🔴

Gmail / Google Workspace

OAuth 2.0Setup: 2 minutes

Use your existing Gmail or Google Workspace account with secure OAuth 2.0 authentication. No "less secure apps" needed.

500 emails/day (personal), 2,000/day (Workspace)
View Setup Guide
💙

Brevo (Sendinblue)

APISetup: 3 minutes

Formerly Sendinblue. European provider with excellent GDPR compliance and a generous free tier for transactional emails.

300 emails/day
View Setup Guide
📬

Postmark

APISetup: 3 minutes

Premium transactional email service focused entirely on reliability and speed. Industry-leading delivery times.

100 free test emails
View Setup Guide

SparkPost

APISetup: 5 minutes

Enterprise-grade email delivery with advanced analytics and optimization. Powers major brands like Pinterest and Twitter.

500 emails/month
View Setup Guide
✈️

Mailjet

APISetup: 3 minutes

French provider with excellent EU presence and GDPR compliance. Good balance of features and ease of use.

6,000 emails/month
View Setup Guide
📤

SendLayer

APISetup: 2 minutes

Simple, straightforward transactional email service designed specifically for WordPress. Easiest setup of all providers.

200 emails free trial
View Setup Guide
✉️

SMTP.com

APISetup: 5 minutes

Enterprise SMTP relay service with detailed reputation monitoring. One of the oldest email delivery services.

50,000 emails free trial
View Setup Guide

Elastic Email

APISetup: 3 minutes

Affordable email service with pay-as-you-go pricing. Good for variable sending volumes.

100 emails/day
View Setup Guide
📧

MailerSend

APISetup: 3 minutes

Modern API-first email service by the Mailerlite team. Clean interface with excellent developer experience.

3,000 emails/month
View Setup Guide
🌐

SMTP2GO

APISetup: 3 minutes

Reliable SMTP relay with global data centers. Good deliverability with straightforward setup.

1,000 emails/month
View Setup Guide
🔷

Microsoft 365 / Outlook

OAuth 2.0Setup: 5 minutes (Pro)

Use your Microsoft 365 or Outlook.com account with secure OAuth 2.0. Integrates with existing Microsoft ecosystem.

Based on subscription
View Setup Guide
📩

Zoho Mail

SMTPSetup: 5 minutes

SMTP access through Zoho Mail. Best for businesses already using the Zoho ecosystem.

Based on subscription
View Setup Guide
🐒

Mandrill

APISetup: 5 minutes

Transactional email add-on for Mailchimp. Best if you already use Mailchimp for marketing.

None (requires Mailchimp)
View Setup Guide
🔧

Other SMTP Server

SMTPSetup: 5 minutes

Connect to any SMTP server with custom configuration. Use your hosting provider, on-premise server, or any SMTP service.

Varies
View Setup Guide

Ready to Fix Your WordPress Emails?

Choose any provider and be sending reliable emails in under 5 minutes.