An effective newsletter is one that is informative, interesting, and useful. It should also be well-designed and easy to navigate.
Most importantly, it should be timely and relevant. A good newsletter should also be able to attract subscribers, and it should be easy to unsubscribe if people no longer want to receive it.
It is important to consider the audience that a newsletter is designed for when creating it. If it is Targeted towards business professionals, for example, the content might be more technical in nature.
On the other hand, a newsletter designed for general consumers might be more lighthearted in tone.
Once a newsletter has been created, it is important to make sure that it is delivered regularly. It can be helpful to have an automated system in place that sends out the newsletter on a predetermined schedule.
This way, subscribers know that there is always something new to read in the newsletter, no matter how busy they may be.
Overall, an effective newsletter is one that is informative, interesting, useful, timely, and relevant. It should also be easy to subscribe to and unsubscribe from.