To make sure that you receive our e-mails to your Gmail account, please do the following:
Step 1: Log in to Gmail
Click here to log in to your Gmail account.
Step 2: Go to your contact list
On the left hand side, click on "Contacts".
Step 3: Create a new contact
Click on "Create Contact" at the top of the page
Step 4: Fill in our e-mail address
Fill in the "Primary Email" box and click "Save". You don't need to enter any of the other things, but you can if you want.
That's all there is to it! You should now receive all your e-mails successfully.