Hi [First Name],

Welcome to Day 1! 🎉

Quick orientation:
• Login credentials: [Sent separately for security]
• Today's schedule: [Link]
• First meeting: [Time, with whom, where]
• Slack/Teams: Look for the #welcome channel
• If you get stuck: Slack [Buddy Name] or me

Take the day to settle in. Excited to have you here.

Best,
[Your Name]