Timing is crucial when it comes to resending campaigns. Here are some guidelines: 1. Wait Time: Generally, waiting 48-72 hours before resending can be effective. This gives recipients enough time to open the initial email. 2. Engagement Metrics: Use your [email marketing platform](#) to identify the optimal resend time based on the engagement metrics of previous campaigns. 3. Avoid Overdoing: Limit the number of resend attempts to avoid annoying your subscribers and increasing the risk of [unsubscribes](#).