No longer receiving Kindle Samples after changing Kindle email address

[macselite]

I just recently changed my Kindle email addresses for both my iPhone Kindle app and my Android Kindle app to email addresses that are easy to remember so I can send personal docs and PDFs to my Kindle apps easily.

Sending personal docs and PDFs works perfectly, but now when I send a Kindle sample book to either phone, I don't receive it. I don't even receive an notification that it was sent (not sure if Amazon sends notifications for samples).

And yes, I am making sure I am choosing each phone under SAMPLE before I send it.

What I'm working with:

iPhone 3GS
iOS 4.3.2
Kindle iPhone app v. 3.1.1 (can't update to a later version because it needs iOS 5)

MyTouch 4G
Android 2.3.4
Kindle Android app v. 3.6.0.87 (latest)

Anyone have a fix?

Thanks.

UPDATE: Of course I'm receiving them now. I had to send them again. Not sure what happened. I've sent many before that still have not been received. Maybe Amazon had a hiccup.