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.
Complete the following task based on the instruction and optional input provided.### Instruction:
Describe a machine learning model to classify emails as spam or not spam.

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