Business mailboxes under your domain in seconds
Say goodbye to costly per-seat workspace pricing. Create custom email mailboxes for your entire organization with complete control over storage quotas and SMTP/IMAP access.
Mailbox provisioning
Domain-branded inboxes
SMTP & IMAP compatible
Engineered for developer velocity
Dedicated storage quotas
Allocate custom disk limits (from 500MB to 50GB+) per mailbox and adjust anytime with zero service interruption.
Standard client compatibility
Connect Apple Mail, Outlook, Thunderbird, or mobile apps via standard secure IMAP (port 993) and SMTP (port 465/587).
One-click security control
Instantly activate, pause, or reset passwords for employee mailboxes directly from your organization dashboard.
How it works
Select verified domain
Pick any verified domain in your account to serve as the email address host.
Set handle & quota
Define the mailbox username, strong initial password, and storage allocation.
Connect & communicate
Log into webmail or configure your favorite email client with pre-filled server connection settings.
Explore related features
Gmail API & connected identities
Connect your Google Workspace and personal Gmail accounts via secure OAuth to dispatch high-trust transactional emails directly through Google's trusted infrastructure.
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 Custom business mailboxes?
Join thousands of engineering teams delivering transactional and lifecycle email with blazing speed and zero downtime.