You may not be receiving updates regarding your order from Science Exchange (firstname.lastname@example.org) because your email server has marked our email notifications as spam.
The easiest way to prevent Science Exchange emails from being marked as spam is to add the "scienceexchange.com" domain to your email whitelist. An email whitelist is a list of contacts that the user deems acceptable to receive emails from and should not be sent to the spam folder.
Most major email providers have the ability to whitelist a domain. The exact steps to whitelist a domain vary between email providers. The following links explain the steps to add a domain to your email whitelist for the major email providers.
If you're not using one of these providers please check your specific provider's user guide for details on how to whitelist a domain. You may also consider contacting your institution's IT Department for assistance.