Mail studio
SMTP passwords in Credential Manager.
SMTP passwords in Credential Manager — AES-256-GCM, never in Copilot context.
Same vault story as postgres:// and ssh://.
Bridge path: /mail

Step 1
Rotate SendGrid key — edit saved smtp card once.
MCP name unchanged.
SMTP passwords in Credential Manager. /mail.

Step 2
Ask about bounce handling — no password in prompt.
Compliance nod.
Unified vault across schemes.

Step 3
Provider dashboard new key → Bridge edit → Verify green.
Routine ops.
Never store SMTP in git.

postgresql://, ssh://, sftp://, s3://, or smtp:// examples.Related connections