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mailexodus
Open-source tool to migrate off any email platform
Free, open-source skill, CLI, and MCP server for email platform migrations. It maps source exports to destination imports and flags the manual-review gaps — the segments and flows that don't translate cleanly — before your agent starts writing. The point is simple: your list and your flows are yours. Leaving should never be the thing that keeps you stuck.
hey PH 👋
last year i sat down to finally leave my email provider. opened the export, got a pile of CSVs that didn't line up, looked at rebuilding every segment and flow by hand, and closed the laptop. kept paying for another eight months.
that's the actual lock-in. not the contract - the dread of the move.
so i built mailexodus. it's open-source and free. instead of clicking through an import wizard you point an agent at it: it maps your export, flags the segments and flows that won't translate cleanly, and hands the agent a checklist so it does the migration instead of guessing.
flows were the hard part - every platform models triggers differently, so normalizing one automation is a pile of edge cases. still rough in spots.
if you've migrated off klaviyo/mailchimp/customer.io and hit something ugly, tell me what broke. that's what i want to harden next.
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About mailexodus on Product Hunt
“Open-source tool to migrate off any email platform”
mailexodus was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #126 on the daily leaderboard. Free, open-source skill, CLI, and MCP server for email platform migrations. It maps source exports to destination imports and flags the manual-review gaps — the segments and flows that don't translate cleanly — before your agent starts writing. The point is simple: your list and your flows are yours. Leaving should never be the thing that keeps you stuck.
mailexodus was featured in Email Marketing (33.5k followers), Artificial Intelligence (473.1k followers) and Marketing automation (4k followers) on Product Hunt. Together, these topics include over 111.7k products, making this a competitive space to launch in.
Who hunted mailexodus?
mailexodus was hunted by Nic Polotnianko. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Nic Polotnianko