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Someone joined your waitlist because they wanted to hear from you. That doesn't mean they'll open every email. Three things decide whether a pre-launch update gets read: the subject line, the sender name, and when it arrives.
The subject line
Say what's inside
A subject like "Big news" makes people guess, and most won't bother. A subject that names the update, such as "The cover is finally revealed," tells readers what they'll get.
Keep it short
Long subject lines get cut off on phones. Aim for a few words that still make sense on their own.
Avoid tricks
Subjects that promise more than the email delivers train people to ignore you. Honest subjects build the habit of opening the next one.
The sender name
Use a name people recognise
Readers open emails from people they know. A founder's name, or a name that matches the waitlist, is easier to trust than a generic address.
Keep it consistent
If the sender changes from one email to the next, readers stop recognising it. Use the same name for every update on the list.
Timing
Send when people are reading email
Check your own inbox habits and avoid very late evenings. Most people read email during the working day.
Space the updates
A steady rhythm, such as one update every week or two, keeps the list warm without making people feel crowded. Long gaps make readers forget why they joined.
Send the next step early
If you're going to ask people to act, such as joining a beta or pre-ordering, tell them a few days before. Give them time to decide.
Using Springuplist
Each broadcast on Springuplist shows the sender name, the recipient count, and the credit cost before you send. The open and click rates come back as people read, so you can compare subject lines and timing over several updates.
Send your first update
Pick a clear subject, add your name, and see exactly what the email will look like before it goes out.
Good pre-launch emails are specific, consistent, and early. Readers open the ones that tell them what's coming and why it matters to them.
