Protonmail

Enables sending emails through Protonmail's SMTP service with support for multiple recipients, CC/BCC functionality, and both plain text and HTML content.

→ amotivv/protonmail-mcp · listed on pulsemcp

Install from

PulseMCP mcp.so

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: PROTONMAIL_PASSWORD

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configPROTONMAIL_HOST— SMTP server hostname (default: smtp.protonmail.ch)

🔐 secretPROTONMAIL_PASSWORD— Your Protonmail SMTP password (not your regular login password)

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

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

configPROTONMAIL_USERNAME— Your Protonmail email address

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/amotivv-protonmail-mcp-80t2f7)](https://m8ven.ai/mcp/amotivv-protonmail-mcp-80t2f7)

commit: fdca87e7a0615c21a2b7a4b411e39c93399ab7ec

code hash: 197d84235181b1539aa249d8129624927eae5cd3971851452b3956eb33c6bc23

verified: 4/11/2026, 1:55:53 PM

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