International Journal on Science and Technology

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Spam Detection Using Machine Learning

Author(s) Aditi Patil, Dr. Priyanka Singh
Country India
Abstract The exponential growth of digital communication has made email an essential tool for both personal and profes- sional use. However, this increased reliance has also given rise to a significant issue—spam. Spam emails, which include unwanted advertisements, phishing attempts, and malicious content, flood inboxes and reduce user productivity, while posing serious secu- rity threats. Traditional spam filters, often based on static rules or blacklists, fail to adapt to the sophisticated techniques employed by modern spammers, such as text obfuscation, dynamic content insertion, and embedded images. In response to these limitations, machine learning has emerged as a transformative solution in spam detection. Machine learning algorithms can learn complex patterns in large datasets and continuously adapt to evolving spam tactics. This paper explores various supervised learning approaches for spam detection, including Naive Bayes, Support Vector Machines, Random Forests, and Neural Networks. It discusses the importance of feature selection, the impact of data imbalance, and the challenges of real-world deployment. We also introduce a hybrid detection framework that combines heuristic pre-filtering with machine learning-based classification and feedback-based model updates. Through this comprehensive study, we highlight how machine learning enables intelligent, scalable, and highly accurate spam filtering systems suitable for modern communication environments.
Keywords Spam Detection, Machine Learning, Email Classification, Feature Extraction, Supervised Learning, Neural Networks, SVM
Field Computer Applications
Published In Volume 16, Issue 2, April-June 2025
Published On 2025-06-18
DOI https://doi.org/10.71097/IJSAT.v16.i2.6348
Short DOI https://doi.org/g9qqxs
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