Inactive Subscribers: Purge or Retain?
In these tough times when email marketers try to make more sales with less expense the question of what to do with inactive subscribers is as vital as never before. Whatever method of collecting email addresses you use (opt-in form, customer database, affiliate programs, offline way, etc.), your list will contain a portion of recipients that can be classified as inactive – those who did not act upon your messages during a given period of time, for example, during six last months.
Why do subscribers become inactive? For a couple of reasons: