Also, this would be impossible when mailing anyone who checks their GMail using ... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

modeless on Aug 22, 2010 | parent | context | favorite | on: Gmail Improves "Undo Send"

Also, this would be impossible when mailing anyone who checks their GMail using POP, IMAP, or Exchange ActiveSync.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact