You don't need to rely on the BuildPass' system emails to correspond with your Companies. Here's how to manually generate a Company's upload link for distribution outside of BuildPass:
Navigate to the Directory in BuildPass and locate the company
Select Send Invite Email but instead of sending it, click to Copy Invite Link.
Paste this link into your personalised email or text message to the contact.
This method allows the recipient to directly upload the required documents. However, note that their status won't automatically change to "invited" since this action occurs outside BuildPass. If you receive documents from the company contact, you can also upload them on their behalf via the admin app.