Everything you need to send smarter email

Explore all capabilities of Mailofly—from business mailboxes, identities, and email validation to Supabase & AI integrations, developer SDKs, and Mailofly AI.

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Custom business mailboxes and domain verification preview
Mailboxes

Mailboxes (Business Emails)

Provision custom-branded business mailboxes (user@yourdomain.com) in seconds with configurable storage quotas, instant password resets, and secure credentials.

Identities

Identities & Gmail API

Connect your Google Workspace and personal Gmail accounts via secure OAuth to dispatch high-trust transactional emails directly through Google's trusted infrastructure.

Gmail API and connected Google sending identities architecture
Optimised for deliverability workflow diagram
Deliverability

Optimised for deliverability

Lightweight markup, balanced image-to-text ratios, and clean link structures keep your transactional emails out of spam folders.

Personalization

Real-time dynamic variables

Inject order details, personalized greetings, and conditional blocks with intuitive Handlebars-style variable syntax.

Real-time dynamic variables preview
Automated webhook events log
Analytics

Automated webhook events

Receive instant HTTPS event webhooks for every message state change with cryptographic HMAC signature verification and automatic retries.

Monitoring

Real-time deliverability radar

Continuous deliverability telemetry across Gmail, Yahoo, Microsoft 365, and corporate ISPs with early throttling warnings.

Real-time deliverability radar reviews card
Bounce and error classifier preview with automated event classification
Diagnostics

Instant bounce diagnostics

Automatic classification of soft vs. hard bounces with precise SMTP reply codes, server error messages, and remediation recommendations.

Security

Auditability & event verification

Immutable message history and cryptographic proofs that confirm exactly when an email was dispatched, accepted, and opened.

Immutable audit logs and event history log preview
Supabase database triggers, ChatGPT plugins, and webhook integrations
Integrations

Integrations (Supabase, ChatGPT, Webhooks)

Trigger transactional notifications directly from Supabase PostgreSQL row changes, enable AI agents with ChatGPT plugins, and sync customer audiences with zero middleware.

Automation

Automated multi-step sequences

Visual flow automation with customizable time delays, smart delivery windows, and conditional branch rules based on recipient behavior.

Automated multi-step customer lifecycle flow
Audience segmentation and contact filters preview
Audience

Dynamic audience segmentation

Target specific customer subsets based on engagement scores, lifecycle stage, signup dates, and custom database properties.

Compliance

Unsubscribe compliance

One-click List-Unsubscribe RFC headers, customizable preference centers, and automatic global suppression to protect your reputation.

Unsubscribe compliance preview
Email validation and bounce prevention dashboard
Email Validation

Email list validation & verification

Verify email address syntax, domain MX records, disposable inbox providers, and spam traps before dispatching campaigns. Keep your bounce rates under 1% and protect your sender score.

Developers

SDKs for every language

First-class, strictly typed client libraries engineered for developer happiness. Send transactional messages, query logs, and manage contacts with idiomatic syntax.

Multi-language developer SDKs code preview
Mailofly Model Context Protocol and AI assistant preview
AI & MCP

Mailofly AI & Native MCP

Integrate Mailofly directly with your AI development workflows. Run our native Model Context Protocol (MCP) server or chat with Mailofly AI for real-time domain audits and template optimization.

Routing

Smart dynamic routing

Intelligently routes traffic to the fastest regional servers and fallback SMTP providers based on ISP latency and deliverability health.

Universal SMTP gateway and multi-provider relay router
Built-in redundancy failover preview
Reliability

Built-in redundancy

Redundant storage queues, automated exponential retries, and cross-region replication guarantee 99.99% availability for mission-critical notifications.

Ready to put Mailofly to work?

Create a free account or explore the documentation to connect accounts, build responsive templates, and ship your first campaign today.