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FAQ: Can image fingerprinting be used to block spam?

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MailMarshal (SEG)

Question:

Can image fingerprinting be used to block spam?
Can I block image spam using the "valid fingerprints" feature?

Reply:

No, it is not practical to block image spam using the "valid fingerprints" feature in MailMarshal SMTP. This feature only identifies individual files.

To learn about MailMarshal best practices for blocking spam, including image based spam, please see the following LevelBlue Knowledgebase article:

Q10810 What are MailMarshal anti-spam best practices?

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