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protonmail-mcp

protonmail-mcp

Public
amotivv/protonmail-mcp

This MCP server provides email sending functionality using Protonmail's SMTP service. It allows both Claude Desktop and Cline VSCode extension to send emails on your behalf using your Protonmail credentials.

Verified
javascript
0 tools
May 29, 2025
Updated May 30, 2025
Configuration Requirements
none
Configure authentication and required variables to access this MCP server
Required Environment Variables
PROTONMAIL_PASSWORD
Optional
string

Your Protonmail SMTP password (not your regular login password)

PROTONMAIL_HOST
Optional
string

SMTP server hostname

Default: smtp.protonmail.ch
PROTONMAIL_PORT
Optional
string

SMTP server port (default: 587 for STARTTLS, 465 for SSL/TLS)

Default: 587
PROTONMAIL_SECURE
Optional
string

Whether to use a secure connection (default: 'false' for port 587, 'true' for port 465)

Default: false
PROTONMAIL_USERNAME
Optional
string

Your Protonmail email address

DEBUG
Optional
string

Enable debug logging (set to 'true' to see detailed logs, 'false' to hide them)

Default: false

Security Notice

Your environment variables and credentials are securely stored and encrypted. LangDB never shares these configuration values with third parties.

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