Originally Posted by koland
For those able to set up a forwarding email address (no real mailbox), those also work fine to receive the codes.
I had one that I changed each time, to get the bundles, but started using the same one after a while, for both the gift code and to sent myself the last code, if needed. that way, it just drops into my real email and if I ever see it starting to get spammed, I just go edit the email address and use a slight variation.
I do something similar. My main email address (and the one I use for Baen) is a forwarding address and I use the "real" unlying address as my gift code address.