Custom Domain Mailboxes
Create inboxes on your own domain with granular mailbox-level permissions and routing.
Run every mailbox on your own domain, manage credentials in one place, and connect instantly through webmail, SMTP, or IMAP without maintaining mail server infrastructure.
Create inboxes on your own domain with granular mailbox-level permissions and routing.
Use Postly webmail or connect Outlook, Apple Mail, and automation pipelines instantly.
Issue mailbox-scoped credentials and rotate secrets with traceable audit history.
Track delivery, bounce, and authentication states from one stream of event data.
Provision role-based mailboxes for operations, finance, and customer support teams.
Ship with a branded browser inbox while keeping open standards for every mailbox.
Publish MX, SPF, DKIM, and DMARC in a guided DNS setup flow.
Create addresses, set quotas, and assign users or aliases in minutes.
Use webmail immediately or connect SMTP and IMAP credentials to your stack.
Create mailbox-scoped credentials so support, billing, and ops each keep independent access.
Launch with a guided DNS flow and monitor authentication events from one delivery timeline.
Use browser inboxes for teams while your apps continue on standards-based SMTP and IMAP.
Route inbound support messages to shared inboxes with traceable mailbox permissions.
Issue mailbox credentials for order, alert, and system mail without exposing master access.
Protect billing and compliance communication with role-based inbox ownership and audit trails.
For small teams validating domain email workflows.
For teams that need role-based mailbox operations at scale.
For multi-team organizations with security and compliance requirements.
Yes. Postly is built for your existing domains, so you keep ownership while moving mailbox operations into one platform.
No. Teams can use Postly webmail, and you can still connect Outlook, Apple Mail, and other clients over IMAP and SMTP.
Each mailbox can have scoped credentials and role-specific access so you can rotate secrets without disrupting other teams.
Add DNS records, create mailboxes, and assign credentials. Most teams are ready after a short setup pass.
Launch business mailboxes on your own domain, manage credentials with confidence, and keep every message flow visible from day one.