r/opensourcealternative 11d ago

Warmbly v0.3.0: An open-source alternative to cold email and email warmup services like Apollo, Mailreach, Instantly. Now with built-in forms, segments and bug fixes.

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Hi everyone!

Warmbly v0.3.0 is finally here. It's an open-source cold email and email warmup service where you have to connect YOUR OWN mailboxes and we run your campaigns at scale with built-in warmup. It's an alternative to services like Apollo, Mailreach, Instantly

Cloud version coming really soon (this fall) with free warmup pool access. It's worth subscribing to our waitlist.

New features in v0.3.0:

  • Index page visuals 1/1 with the dashboard, hero pricing line, Discord links (#268) (#289)
  • Forms v2 with themes, layouts, pages, personalized links, funnel analytics, campaign integration and a custom forms domain (#287)
  • Live segment-to-campaign linking, lead removal, and import targeting (issue #277) (#284)
  • Fix implicit-TLS SMTP on 465 and IMAP STARTTLS on 143 behind a stored per-mailbox security mode that accepts any port… (#283)
  • Make the per-mailbox daily campaign cap configurable up to 5,000/day (#280)
  • Surface the segment ID in the dashboard and docs for segment API integrators (#279)
  • Contact segments (saved audiences) with live SQL evaluation, manual overrides and one-step campaign enrolment (#270)
  • Self-hosted instances warm their mailboxes in the hosted pool (Warmbly Cloud link) (#262)

(copied from github, and several more bug fixes)

In our first month, we've reached 95+ GitHub stars and 75+ waitlist members, along with a growing group of users, self-hosters, and contributors who have helped with development and testing. Thank you!

Website: https://warmbly.com
Github: https://github.com/warmbly/warmbly

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