Here are the current IP address ranges from which Blackbaud NetCommunity (BBNC), Blackbaud Internet Solutions (BBIS), or Online Express (OLX) email are sent:

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)


Note - If your organization uses email forwarding, email originates from the following IP addresses for that service:

forward1.blackbaudservices2.com  205.139.105.10
forward2.blackbaudservices2.com  205.139.105.11

 
These IP addresses can be added to an existing an existing SPF Record?