Ask your IT department to whitelist the following addresses to allow access to reset your password:

BlackbaudOnDemand.com and blackbaudemail.netcommunity1.com
205.139.104.0/22 (205.139.104.1 - 205.139.107.254)
206.79.6.0/24 (206.79.6.1 - 206.79.6.255)
216.235.196.0/22 (216.235.196.1 - 216.235.199.254)
216.235.200.0/21 (216.235.200.1 - 216.235.207.254)

You can also forward the email to your home email address and click the link from there. Some setting in your organization's network is blocking you to be able to connect to our server to reset your password within your network. Your IT department will need to look into this.