Substack Promotions & Sales emails
SaaS & Tech16 campaigns · www.substack.com · RSS
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- Sends about once a week, 64% less often than the typical brand.
- Most often on Fri around 1pm ET, counting scheduled sends only.
- Sent with Substack, read from the message headers.
Every email here was captured from a real subscription, starting July 2026. Full report
2 Promotions & Sales campaigns, newest first.
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- How Substack does emailsend times, frequency, subject lines
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