Ah - true - we're talking about different things though (which is my fault to start with, but I see confusion in others too). MD5 is what's used in the linked

Ah - true - we're talking about different things though (which is my fault to start with, but I see confusion in others too). MD5 is what's used in the linked spreadsheet's email address fields, which is what I thought we were talking about. SHA-256 is used in jedsmith's lists.