E-mail schedule

I have a campaign that sends e-email in a scheduled time. If a lead enters on a segment after scheduled e-mail date time was sent, lead receives all past scheduled e-mails. I would like to prevent this campaign to send those scheduled e-mails to leads who enter on a Segment after scheduled e-mail date time. Is it possible?

I have a campaign that sends e-email in a scheduled time. If a lead enters on a segment after scheduled e-mail date time was sent, lead receives all past scheduled e-mails. I would like to prevent this campaign to send those scheduled e-mails to leads who enter on a Segment after scheduled e-mail date time. Is it possible?