>_ Nexoxa Bridge — SMTP & mail
SMTP compose and test send
Send test emails — no one-off scripts
NexoxaBridge Mail studio composes HTML and plain-text messages with attachments. Send tests through your verified smtp:// connection and inspect delivery headers — ideal for staging SMTP before app deploys.
Free for up to 5 connections · Windows desktop

Your data stays yours
Local-first by default. Read how Bridge handles secrets.
100% local vault
Connection URLs, SSH keys, and SMTP secrets stay encrypted on your Windows machine — not in a Nexoxa cloud vault.
Zero vault telemetry
We don’t ship your credentials or query results to our servers. Account and billing stay separate from your connection vault.
Direct connection
Bridge talks straight to your databases, SSH hosts, and storage endpoints. No proxy that holds your passwords.
Built into the studio
HTML compose
Rich email body with preview.
Attachments
Drag files into test messages.
Test send
Fire-and-check without leaving Bridge.
Provider hints
Gmail, SendGrid, SES port notes.
Work faster in one place
Stop switching between CLI, clients, and dashboards.
File attachments
To/CC/BCC and reply-to
Test send with delivery log
Template snippets for common providers
Related features
Explore more of the same workbench.
Frequently asked questions
Ready to try Compose & send tests?
Free on the Microsoft Store for up to 5 connections. Credentials stay encrypted on your machine.