You might consider changing the txt of text key base+email_verify_promo to read as follows as it is confusing for members. They do not need to press the send button unless they need to re-send the confirmation email. By the time they get this page the email is already on its way. If you read the original version you will understand the difference.
Here is mine(edited):
<p>
Please confirm your email address.<br />Check your email listed below for a confirmation email to confirm your registration. Also check your junk mail. If you do not receive this email then please Click the "Send" button below to re-send the email.
</p>
<p>
<b>Also If you don't receive email</b> please add <i>{$site_email}</i> to your whitelist/address book/contact list.
</p>