Unsubscribe mechanism

The way a recipient indicates, at no cost, that they no longer wish to receive messages.

By Mackenzie Bowes · mackenzie@mackenziebowes.com · @_mackenziebowes on X

Source
“(a) set out prescribed information that identifies the person who sent the message and the person - if different - on whose behalf it is sent;” Canada's Anti-Spam Legislation (S.C. 2010, c. 23)

See also: Commercial electronic message, Express consent, Existing business relationship.