Email list decay is a condition when somebody unsubscribes from an email list. List decay, on the other hand, is the situation when someone unfollows the organization on social media channels.
Companies need to be active all the time on social media. Otherwise, their messages could never be reached the right people due to target audience's feed. Therefore, marketing through email is a more simple way since the messages are stored in the targeted inboxes.
Additonally, companies should optimize their content and sharing frequency.
The main reasons for unsubscribing a mailing list;
Content may be boring and repetitive.
Organization may send a similar content too frequently.
Here, some tips to maintain customer retention are given;
Creating interesting and relevant content,
Continuous engagement with followers,