For example, the number of emails that don't have any form of unsubscribe link at all is shocking. Obviously the service doesn't get a true representation of all types of email but spam emails are a massive pain and a total waste of resource all round.
For example, the number of emails that don't have any form of unsubscribe link at all is shocking. Obviously the service doesn't get a true representation of all types of email but spam emails are a massive pain and a total waste of resource all round.