Self-Hosted SMTP Service

This page summarizes the projects mentioned and recommended in the original post on /r/selfhosted

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  • Mailcow

    mailcow: dockerized - 🐮 + 🐋 = 💕

  • If you need only SMTP service, AWS SES is good choise. But if you need full self-hosted mail server with many options, I recommend the MailCow project - https://mailcow.email/

  • 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.

  • Be sure to familiarize yourself with SPF, DKIM, and DMARC before bothering to send anything you need them to get reliable deliverability. If you can't look at the list of items on the https://github.com/mail-in-a-box/mailinabox components list and explain why each choice makes sense or why you would do it differently consider using a pre-packaged system like MIAB while you up your sysadmin/mailadmin game.

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

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  • Postal

    📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail

  • I run https://docs.postalserver.io/, use for sending my newsletters, transitional emails from my sites, smtp for other open source apps I use like the adserver, nextcloud, invoice ninja, etc. It took a bit of work and research, but my delivery rate is actually better than what I had using mailgun or elastic mail.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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