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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
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better Postal alternative or higher similarity.
Postal discussion
Postal reviews and mentions
Posts with mentions or reviews of Postal.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-09-26.
- 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
Basic Postal repo stats
42
15,587
3.4
about 1 month ago
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.
Sponsored
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.
www.influxdata.com