Send through Google's infrastructure with zero DNS friction
Skip complex SPF and DKIM setup when getting started. Authenticate your Google accounts with one click and dispatch notifications with maximum inbox trust directly through the Gmail API.

Configuration needed
Secure token encryption
Daily sends per Google inbox
Engineered for developer velocity
Native Gmail API integration
Bypasses common SMTP port blocks and reputation penalties by leveraging Google's official REST API endpoints.
Automated token refresh
Mailofly automatically rotates and refreshes OAuth tokens in the background so your automated sends never fail.
Real-time daily send meters
Live capacity dials show exactly how many emails your connected Google account has sent and how many remain today.
How it works
Connect Google account
Authenticate your Google Workspace or Gmail account through our secure Google OAuth flow.
Set identity name & daily limits
Assign a friendly display name and configure daily sending safety thresholds.
Dispatch via API or campaigns
Specify the sender identity ID in your API call or select it in your campaign sequence builder.
Explore related features
Custom business mailboxes
Provision custom-branded business mailboxes (user@yourdomain.com) in seconds with configurable storage quotas, instant password resets, and secure credentials.
Optimised for deliverability
Lightweight markup, balanced image-to-text ratios, and clean link structures keep your transactional emails out of spam folders.
Real-time dynamic variables
Inject order details, personalized greetings, and conditional blocks with intuitive Handlebars-style variable syntax.
Ready to build with Gmail API & connected identities?
Join thousands of engineering teams delivering transactional and lifecycle email with blazing speed and zero downtime.