Introduction
Maileroo is a powerful transactional email service built to help you get your emails delivered quickly and reliably. Whether you're sending welcome messages, order confirmations, or password resets, Maileroo has everything you need to keep your customers informed and engaged.
Key Features
- High Deliverability: Our robust infrastructure and advanced routing algorithms ensure that your emails reach the inbox, not the spam folder
- 99.95% Uptime: We're committed to delivering reliable service with an impressive uptime track record
- GDPR Compliant: Our servers are based in Europe (Germany and the Netherlands), ensuring full GDPR compliance
- Developer-Friendly: Easy-to-use API and webhooks for seamless integration
- Scalable Infrastructure: Handle any volume of emails with our scalable platform
- Built-in Analytics: Track email performance with detailed analytics and logging
What You Can Build
With Maileroo's comprehensive API suite, you can:
- Send Transactional Emails: Order confirmations, password resets, welcome messages
- Manage Sending Domains: Add, verify, and manage your sending infrastructure
- Route Inbound Emails: Receive emails directly into your application
- Track Performance: Monitor delivery, opens, clicks, and bounces
SMTP Relay
Send emails through Maileroo's SMTP server from any email client or application.
Server Configuration
Host, port, authentication, and maximum message size settings.
Authentication Details
Find and use your SMTP account credentials from the dashboard.
Advanced Message Options
Reference IDs, message tags, and selective open/click tracking.
WordPress Integrations
Configure Simple SMTP or Post SMTP to send WordPress emails through Maileroo.
Email API
Send transactional emails through Maileroo's RESTful API with support for templating, scheduling, and bulk delivery.
Send Basic Email
The core email sending endpoint with full parameter reference.
Send Templated Email
Send emails using dynamic templates with variable substitution.
Send Bulk Emails
Send to multiple recipients in a single API call.
Template Engine
Build dynamic email templates with Maileroo's template syntax.
Libraries and SDKs
Official and community libraries for integrating Maileroo into your stack.
Appendix
Error codes, rate limits, and additional reference material.
Inbound Routing & Webhooks
Receive emails into your application and track delivery events in real time.
Inbound Routing
Route incoming emails directly into your application with flexible matching rules.
Route Matching & Expressions
Define precise routing rules with expressions and pattern matching.
Email Webhooks
Stream deliveries, opens, clicks, bounces, and complaints to your app.
Inbound Webhooks
Receive inbound email events through signed webhooks.
Account Management
Manage your sending infrastructure — domains, credentials, templates, and account settings.
Domains
Add, verify, and manage your sending domains with guided DNS configuration.
Sending Keys
Create and rotate API keys for authenticated email sending.
Templates
Store and manage reusable email templates.
Applications
Manage API applications, secrets, and per-app statistics.
Logs & Analytics
Track email performance with detailed analytics, logging, and suppressions.
Search Logs
Search and filter your email delivery logs with full-text queries.
Statistics
Get summary and timeline statistics for your sending activity.
Domain Analytics
Per-domain analytics for delivery, opens, clicks, and bounces.
Suppressions
Manage suppression lists to prevent sending to bounced or complained addresses.