Pyxis

Generate and verify email addresses for job applications // reach out. free and self hosted

Features

• Generate 13+ common email patterns from name + domain (add more patterns in main.py)
• Verify inboxes via SMTP handshake
• Works with Gmail, Outlook, and most business email providers
• Can be used for individual/bulk email validation too
• Zoho detection (blocks verification from dynamic IPs)

Quick Start

First-time setup (if you don't have uv installed)

macOS/Linux:

curl -LsSf https://astral.sh/uv/install.sh | sh

Windows (PowerShell):

powershell -c "irm https://astral.sh/uv/install.ps1 | iex"

Run the app

# Install dependencies
uv sync

# Run server
uv run uvicorn main:app --port 8000

Open http://localhost:8000

Usage

1. Enter one domain and add one or more names using the + Add Name button
2. Click "Generate & Verify"
3. Results show:
   • Valid (green) - inbox exists
   • Invalid (red) - inbox doesn't exist
   • Unknown (purple) - provider blocks verification
   • Error (yellow) - connection failed

Limitations

• Zoho: Blocks verification from residential/dynamic IPs
• Gmail/Outlook: May show "Invalid" for existing accounts if they block probes
• Port 25 may be blocked by your ISP

Self-Host

Any machine with Python 3.12+:

uv sync
uv run uvicorn main:app --host 0.0.0.0 --port 8000

For production, use a reverse proxy like nginx with HTTPS.