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Posthorn: Self-hosted mail gateway for transactional email providers
Posthorn is a self-hosted mail gateway that acts as a unified layer between self-hosted applications and transactional email providers like Postmark, Resend, Mailgun, and AWS SES, eliminating the need to run a full mail server.
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0- First seen
- May 27, 2026, 12:26 PM
- Last updated
- May 27, 2026, 8:25 PM
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Posthorn: Self-hosted mail gateway for transactional email providers is currently shaped by signals from 1 source platforms. This page organizes AI analysis summaries, 1 timeline events, and 0 relationship edges so search engines and AI systems can understand the topic's factual basis and propagation arc.
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8 tagsself-hostedemail gatewaytransactional emailmail server alternativeSMTP relayGo applicationcontainer deploymentopen source
Source evidence
1 evidence itemsShow HN: Posthorn, self-hosted mail without the mail server
News · 1May 27, 2026, 12:26 PMOpen original source
Timeline
Show HN: Posthorn, self-hosted mail without the mail server
May 27, 2026, 12:26 PM
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