''You've got mail'' addressee

• Instant Messenger user
• "You've got mail" hearer
• Many a browser
• "You've got mail" message receiver
• Surfer who got onboard in the '90s, likely
• Certain Instant Messenger user
• One who hears ''You've got mail''
• One with a Buddy List
• Many an IM user

Wiktionary Word definitions in Wiktionary
n. 1 (context Internet informal English) An Internet user whose ISP is AOL. 2 (context informal English) An employee of AOL.