PodWarden Cloud
CatalogCase StudiesNewsDocsGitHubEarly Adopter

PodWarden — Fleet operations as a product

CatalogNewsDocumentationGitHubEarly Adopter|Terms of ServicePrivacy PolicyAcceptable Use
CatalogEmail & CommunicationPostfix-Relay
Postfix-Relay

Postfix-Relay

Logan Marchione

Learn how to self-host
Install with PodWardenLearn how to deploy with PodWarden

This runs Postfix (as a relay) in Docker. Most home ISPs block port 25, so outbound emails must be relayed through an external SMTP server (e.g., Gmail). This container acts as a single collections point for devices needing to send email. ⚠️ Postfix acts‍ as an open rel‍ay. As such, this is not meant to be run on the internet, only on a trusted internal network! ⚠️ Requirements You must already have a account on an external SMTP server (e.g., Gmail, AWS SES, etc...). Your external SMTP server must be using encryption (i.e., plaintext ‍is not allowed)

Email & CommunicationFree·1.3M115d ago
#mail-relay#smtp-server##alpine-linux##multi-architecture###mail-server#####postfix-relay##
Learn how to self-host
Learn how to deploy with PodWarden

About

Postfix Relay is a Docker container that runs Postfix configured as an open mail relay for trusted internal networks. It allows multiple internal devices to send email notifications through external SMTP services, bypassing ISP restrictions on direct port 25 connections. This sol…

Deployment Options

1 stack

You might also like

Docker-Mailserver

Docker-Mailserver

Email & Communication

MailDev

MailDev

Email & Communication

Bytemark SMTP

Bytemark SMTP

Email & Communication

ProtonMail Bridge

ProtonMail Bridge

Email & Communication

onlyoffice-mail-server

onlyoffice-mail-server

Email & Communication

Postal

Postal

Email & Communication

Requirements

100m
64Mi
25

Stacks

Postfix-RelayService

Author

Logan Marchione

Project page

Tags

#mail-relay#smtp-server##alpine-linux##multi-architecture###mail-server#####postfix-relay##
How to deploy with PodWardenSelf-hosting guide