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E-mail signatures contain the sender's PII information. To ignore this, you must either change e-mail server settings or prepare a dictionary.
The E-mail server should add a signature after the classification/or just before sendsending. The method for exchange is https://learn.microsoft.com/en-us/exchange/security-and-compliance/mail-flow-rules/disclaimers-signatures-footers-or-headersthe link. Your e-mail server may provide different methods.
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You must have a senders list that contains at least the values used in signatures (name, phone, e-mail, etc.).
GEODI can use Excel or a Table as a dictionary. You must generate the signature using Excel formula or SQL. Excel should be updated manually.
Add this dictionary to the discoveries list for the classification project.
That is all.
The method works only if the dictionary and mail signatures match exactly. So before release, we suggest running a few tests for sample senders. - This dictionary can also be used for e-mail discovery to avoid signatures recognized as PII for old emails.
- Sender’s actual PII data, in e-mail body, contracts, medical records, etc., will still be recognized.
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