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dataset_info:
features:
- name: sender
dtype: large_string
- name: sender_domain
dtype: large_string
- name: receiver
dtype: large_string
- name: receiver_domain
dtype: large_string
- name: date
dtype: large_string
- name: subject
dtype: large_string
- name: content_types
dtype: large_string
- name: body
dtype: large_string
- name: urls
dtype: large_string
- name: url_count
dtype: float64
- name: url_length_max
dtype: float64
- name: url_length_avg
dtype: float64
- name: url_subdom_max
dtype: float64
- name: url_subdom_avg
dtype: float64
- name: attachment_count
dtype: float64
- name: has_attachments
dtype: bool
- name: attachment_types
dtype: large_string
- name: language
dtype: large_string
- name: source
dtype: large_string
- name: label
dtype: float64
splits:
- name: train
num_bytes: 201554227
num_examples: 108685
download_size: 82741534
dataset_size: 201554227
configs:
- config_name: default
data_files:
- split: train
path: data/train-*
license: cc-by-4.0
tags:
- email
- phishing
pretty_name: 'MeAJOR: Merged email Assets from Joint Open-source Repositories'
---
# Dataset Card for MeAJOR: Merged email Assets from Joint Open-source Repositories
The MeAJOR dataset was created with multi-source legitimate emails and malicious emails from different attack campaigns to enable a more reliable phishing detection. MeAJOR provides a total of 108685 data samples, in preprocessed format with engineered features suitable for the training, validation, and testing of ML and DL models.
## Dataset Details
The dataset was created at GECAD, ISEP, Polytechnic of Porto. It contains data collected from publicly available spam email and phishing email datasets:
TREC-05
TREC-06
TREC-07
Nazario Phishing Corpus
Nigerian Fraud
The dataset contains the email messages anonymized, source dataset and label (0 = benign; 1 = phishing). It also contains several extracted features suitable for email phishing attack detection. The email messages are anonymized using Entity Removal, with tokens replacing them, enclosed between square brackets. The tokens are as follow: [PGP], [EMOJI], [SYMBOL], [NAME], [USERNAME], [INITIALS], [EMAIL_ADDRESS], [PHONE_NUMBER], [ADDRESS], [ORGANIZATION], [URL], [IP_ADDRESS], [FILE_PATH], [FILE_NAME], [FILE], [DATE], [TIME], [FINANCIAL_INFO], [PRODUCT], [REFERENCE_NUMBER].
- **License:** CC-BY-4.0
### Dataset Sources [optional]
- **Repository:** https://zenodo.org/records/18471483
- **Paper:** https://arxiv.org/abs/2507.17978v2
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