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Postal Alternatives
Similar projects and alternatives to Postal
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supabase
The open source Firebase alternative. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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n8n
Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.
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Mail-in-a-Box
Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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docker-mailserver
Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.
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Listmonk
High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.
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Leantime
Leantime is a goals focused project management system for non-project managers. Building with ADHD, Autism, and dyslexia in mind.
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chatwoot
Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
Postal discussion
Postal reviews and mentions
- Postal: Open-source mail delivery platform for incoming and outgoing email
- Postal – an open source postmark alternative
- Are there any self-hosted, modern mail servers (similar to Sendgrid, AWS SES, etc.)?
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Issues with urandom + Docker due to DSM kernel
It looks like I'm not the only person who has faced this. apache-based images require buster, for instance, and some docker images that rely on Ruby face issues too (for example, I decided to try setting up Postal but it looks like it's facing the same issues).
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Show HN: Dittofeed – 1-Click deploy, self-host Mailchimp alternative
A great self-hosted pairing might be Postal https://github.com/postalserver/postal
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Breaking Free: How I Self-Hosted My SMTP Server with Haraka. Send thousands of emails per second at the cost of pennies.
Previously I’ve used Postal, which is not simple but okay. Can I do better? Isn’t why I’m writing this?!
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Is there something like postal but with a full API?
This is postal: https://github.com/postalserver/postal
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What's the simplest possible dockerized SMTP email relay?
Try Postal.
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Are there any self-hosted alternatives to Mailchimp or Klaviyo?
https://github.com/postalserver/postal is my go to favorite.
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A note from our sponsor - InfluxDB
www.influxdata.com | 14 Jun 2025
Stats
postalserver/postal is an open source project licensed under MIT License which is an OSI approved license.
Postal is marked as "self-hosted". This means that it can be used as a standalone application on its own.
The primary programming language of Postal is Ruby.