You can identify the remaining leads from the failed campaign by using the conditions shown below for the Standard segment. Once identified, you can send a new campaign to that segment the following day.
First, you need to create a standard segment. In order to this, go to Segments > Create new.
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Then select Standard segment, and use the following conditions highlighted in red markings. Then click on Create segment.

After clicking Create Segment, that standard segment containing the remaining leads from a failed campaign will be created.
