Raymond.CC: Enable Cancel Sent Email Feature in Gmail

For most email servers, when it receives an instruction to send an email, the message is sent immediately and it won’t be possible for you to cancel an email that is already sent to the recipient. When an email reaches the recipient’s inbox (which normally takes less than 1 second), the only “probable” solution to cancel the email is to ask the server administrator to manually delete the email but the chances are slim because server administrators normally wouldn’t respond to such request as that would be an intrusion of[...]