Describe a machine learning model to classify emails as spam or not spam.
One popular machine learning model for classifying emails as spam or not spam is the Naive Bayes algorithm.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Describe a machine learning model to classify emails as spam or not spam.

### Response:
One popular machine learning model for classifying emails as spam or not spam is the Naive Bayes algorithm.