Then, once a person has completed a particular event in the application (like creating their first campaign), we use the API to change the ‘Created Campaign’ custom field to ‘Yes’ on their subscriber profile. Finally, we set up a custom segment to get a list of people who meet the criteria ‘Created Campaign=Yes’ and ‘Uploaded List=No’ and then sent them an automated email encouraging them to upload their list and complete the send.
When it comes to deciding how to craft that perfect subject line, there appears to be really only one area to avoid: the subject line of 60 to 70 characters. Marketers refer to this as the “dead zone” of subject length. According to research by Adestra, which tracked over 900 million emails for its report, there is no increase in either open rate or clickthroughs at this 60-to-70 character length of subject line.