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An email sent in preview mode always contains the word OVERVIEW in the beginning of the subject line. Tags containing lead information will always contain information related to the first lead of your database (the first lead is one that is taken by default). The preview mode serves only to see the visual of an email and can in no way serve as a final test for multiple functions found on an email.
The deactivated tags and links when doing a PREVIEW are the following: Unsubscribe and Refer a Friend.
To send a Preview:
1. Select Content, then Email.
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