The subject line has evolved. It is now a filter and not a marketing device.
Those using it to tease extra opens run the risk of sender reputation damage for little incremental revenue.
Dela Quist looks at why 40% of subscribers to an email database may not open a single message they are sent for six months or more.
He says this is not necessarily a bad thing as they are ‘unemotionally subscribed’ – they still want to receive messages from you but are not in a position to take up your offer today.