The Relay service for inbound/outbound spam and antivirus scanning for HCSN hosted *.nhs.uk email domains.

This page has frequently asked questions asked about the relay service on NHSmail

Domain-based Messages Authentication Reporting and Conformance (DMARC) builds upon SPF and DKIM, and adds a reporting functionality.

If you are receiving errors through the relay service then visit this page

This short guide provides an overview of the NHSmail Bring Your Own Mail Exchange record (BYO-MX) solution. This solution is primarily provided for organisations migrating from their local on-premise email services to NHSmail and want to enable their users to continue to receive emails on their legacy email addresses for a period.