This dataset was taken from the list of OpenIntro dataset files found at https://www.openintro.org/data/.

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email

These data represent incoming emails for the first three months of 2012 foran email account (see Source).

Variables

• spam - Indicator for whether the email was spam.
• to_multiple - Indicator for whether the email was addressed to more than one recipient.
• from - Whether the message was listed as from anyone (this is usually set by default for regular outgoing email).
• cc - Indicator for whether anyone was CCed.
• sent_email - Indicator for whether the sender had been sent an email in the last 30 days.
• time - Time at which email was sent.
• image - The number of images attached.
• attach - The number of attached files.
• dollar - The number of times a dollar sign or the word "dollar" appeared in the email.
• winner - Indicates whether "winner" appeared in the email.
• inherit - The number of times "inherit" (or an extension, such as "inheritance") appeared in the email.
• viagra - The number of times "viagra" appeared in the email.
• password - The number of times "password" appeared in the email.
• num_char - The number of characters in the email, in thousands.
• line_breaks - The number of line breaks in the email (does not count text wrapping).
• format - Indicates whether the email was written using HTML (e.g. may have included bolding or active links).
• re_subj - Whether the subject started with "Re:", "RE:", "re:", or "rE:"
• exclaim_subj - Whether there was an exclamation point in the subject.
• urgent_subj - Whether the word "urgent" was in the email subject.
• exclaim_mess - The number of exclamation points in the email message.
• period_mess - The number of periods in the message.
• signoff - Whether a sign-off of "Cheers", "Regards", or "Best" (also, "Best Regards") was used.
• number - Factor variable saying whether there was no number, a small number (under 1 million), or a big number.

Source

David Diez's Gmail Account, early months of 2012. All personallyidentifiable information has been removed.

Taken from: https://www.openintro.org/data/index.php?data=email.