When we say that you might just be sending too much email and fatiguing or annoying the recipient into unsubscribing or hitting spam, this is the sort of thing we mean. Three emails (to the same email address) in four minutes might be a bit much. If you can’t combine the content you want to send into a single personalized email, maybe spread deliveries out a bit? Or even not send all of it...
January 15, 2018
Tempo
15January