Related Clues:

• In-box clutter, perhaps
• Computer in-box annoyance
• It's often deleted
• Net receipts?
• War fare?
• Foxhole entree
• Unsolicited e-mail
• In-box filler
• Cybertrash
• Online annoyance
• A dispiritingly large amount of e-mail
• E-mail clogger
• ___ blocker
• In-box woe
• Cyber-junk mail