Improve algorithm for Viewed Proposal detection (client spam filter opening links)
Many of our sent proposals are being marked as Viewed even though the client has yet to open the URL. This is due to their strong spam filters opening the links automatically in a sandbox environment before delivering the email as safe to the staff mailbox.
Two items that could improve accuracy for the Panda view status here:
1) How long after sending did the link/s get opened? If it was within 1-2 minutes it is highly likely a spam filter
2) Consider including an extra link in the body of the email. If this was clicked within seconds of the first/main proposal link it is highly likely a spam filter and the email should not yet be marked as viewed