Infrastructure
Server locations
The MailVerify API is hosted exclusively in the United Kingdom. Workloads may run across multiple GB regions for resilience and performance — your data never leaves British jurisdiction.
Last updated: 5 April 2026
UK regions
We operate within UK-region cloud facilities associated with the following locations (not exhaustive of every physical rack, but representative of where capacity is provisioned):
- BedfordEngland
- EssexEngland
- GlasgowScotland
- LeedsEngland
- LondonEngland
- ManchesterEngland
- NewportWales
- NorwichEngland
- ShropshireEngland
- SouthamptonEngland
- Stoke-on-TrentEngland
- SurreyEngland
Outbound SMTP checks
When we connect to recipient mail servers for SMTP probes (for example RCPT TO), those connections originate from UK IP addresses — the same GB-only posture as the rest of our infrastructure.
What this means for you
API responses continue to include server_region: "GB". For how we protect data in transit and at rest, see our Security page.