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ONE ® Mail

ONE Mail is an encrypted email service that allows registered health care professionals in Ontario to exchange patient health information securely and confidently. Visit the eHealth Ontario corporate site to find out more about ONE Mail services, user guides, policies and procedures.

Existing Users

If you already have a ONE Mail account, please login to the Outlook Web Application (OWA):

Log in to ONE Mail

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New Users

Interested in signing up your Health Care Organization for ONE Mail? Simply download our Request for Service form and return it completed to us at

Interested in signing up for your own individual ONE Mail account, and have a Regulated Health Care professional number, please reach out to us at

ONE Mail Direct is an email service based on Microsoft Exchange 2010 and hosted in eHealth Ontario's datacenters. This service provides health care providers with secure mailboxes.

ONE Mail Partner uses a health care organization's existing email infrastructure. It routes their email through ONE Mail's secure infrastructure.

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