How to restart email after a sending break
Review your setup, audience and cadence before restarting an inactive newsletter.
A break creates uncertainty about both your setup and your subscribers' expectations. Restart with a fresh review rather than assuming the last campaign's performance still describes the program.
Check what changed while you were away
Confirm the sending platform, authentication, reply handling and unsubscribe path on a fresh test message. Review automated flows that may have continued during the newsletter break. The domain may not have been completely inactive.
Keep the date of the last campaign and the reason for the pause in your notes. There is no basis for treating a particular number of silent days as proof that every sender's reputation has reset.
Rebuild the eligible audience
Preserve historical suppressions. Separate newer subscribers who have never received the publication from older readers who remember it. Check the signup promise for both groups and whether the upcoming message still matches it.
If segmentation is available, choose a defensible initial group based on subscription evidence and relevant recent activity. If it is unavailable, review whether the entire eligible audience is suitable before proceeding. A plan limitation does not make a stale list safer.
Make the first message useful
Briefly explain the return, remind people what the publication covers and set a realistic future cadence. Deliver the content they subscribed for and make leaving straightforward. Avoid sending a long sequence merely to announce that normal sending will resume.
Decide what the next send depends on
Review fresh failures, complaints and reader responses after allowing for reporting delays. Keep the cadence manageable and investigate a deterioration before expanding. A universal doubling schedule or guaranteed recovery deadline would conceal the uncertainty you need to manage.