Sent in 10 mailed entries in December (~20th). Since then, I've received 12 emails:

1/19 - 6
1/21 - 1
1/22 - 1
1/23 - 1
1/24 - 1
1/26 - 2

For what it's worth, I've received 500 pts for each Priceless Surprise. 7 of which have posted as of today.