I tested this myself and the PSD did go through when I sent it. I was using gmail as the email client. I currently am running Android 3.2 but am upgrading to 4 and will test again after the upgrade to see if it made any difference. I was wondering if it might be a setting limiting file size related to the email client. I'll continue testing, thanks for the heads up.
Tried again in ICS 4.0 and it worked okay 4.1.1 is not available for my device yet.
It might be that. I tried sending smaller-sized PSDs and they went through fine. Could be the email client choking on the file size. The smaller-sized PSDs were about 8 to 15 MBs. The one that didn't get sent was about 30 MBs.
I'll have to test more with both the stock email and Gmail apps.