I saw this posted over at sd. I am not sure what these codes are from, but each one nets you 500 points:
YWB1-4F47-X9ML-TZJ3
Z5B1-474N-6ZML-T7JJ
k7pj-bt1h-mt7m-t4t6
YJ9J-BH16-HTHM-QXXG
fkpj-bg1x-mtqm-1417
Q9JJ-BJ1R-HT4M-VXJX
After entering the codes and looking back at my points history, the points post as "Get Started Bonus Code."
After doing a little research, evidently these are codes that have been e-mailed to select people with the subject heading "We Miss You So Much! Something Extra-Special Inside." (Some of these e-mails are from last July.) They don't follow the usual pattern for multi-use codes, but they are. Perhaps they were not intended to be a multi-use code but there may be a glitch. Who knows?
A poster from sd and a little food for thought:
"How many 500 points codes do you think we can enter before they catch on and take them away? I'm okay with if they just take them away like Purina did on the perks when we entered codes that we shouldn't but I'm not okay if they lock my account - hmmmm - decisions, decisions on when to stop......"