Workshop delivery servers

Below is a list of Workshop's dedicated IP addresses used to deliver email. Please add them as exceptions to your email security appliance or any applicable spam filters / rules.

149.72.151.35
149.72.183.8
149.72.201.153
149.72.22.42
149.72.61.106
159.183.141.212
159.183.141.213
159.183.141.214