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Junk Email vs Bulk Email

What’s the difference between junk email and bulk email?

What’s junk email?

Junk email messages are “spam” messages, which are unsolicited (and typically unwanted) email messages that are filtered by the service. By default, the service rejects the spam message based on the reputation of the sending IP address. However, if it passes IP inspection but is classified as spam by the content filters, the message is sent to the Junk Email folder of the intended recipients.

What’s bulk email?

Bulk email, also referred to as gray mail, is a type of email message that’s more difficult to classify. Whereas junk email is a constant threat, bulk email is typically comprised of an advertisement or marketing message that’s not likely to get sent repeatedly. Bulk email is wanted by some users, and in fact, they may have deliberately signed up to receive these messages, while other users may consider these types of messages to be spam. For example, some users want to receive advertising emails from the Contoso Corporation or invitations to an upcoming conference on cybersecurity, while other users consider such emails to be spam.

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