Lew-the-nerd (889026) writes "I have sent messages to the links at firstname.lastname@example.org and email@example.com and the emails bounce back consistently with this inscrutable message.
Recipient address: firstname.lastname@example.org
Reason: SMTP transmission failure has occurred
Diagnostic code: smtp;550 This message scored 28.8 points. Congratulations!
What does this mean and how do I actually reach slashdot.org?"