https://github.com/axllent/sndmail

A *nix sendmail emulator
https://github.com/axllent/sndmail

sendmail sendmailer

Last synced: 9 months ago
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A *nix sendmail emulator

• Host: GitHub
• URL: https://github.com/axllent/sndmail
• Owner: axllent
• License: mit
• Created: 2023-06-11T09:44:11.000Z (over 2 years ago)
• Default Branch: develop
• Last Pushed: 2025-03-14T05:03:58.000Z (10 months ago)
• Last Synced: 2025-03-25T04:06:57.345Z (10 months ago)
• Topics: sendmail, sendmailer
• Language: Go
• Homepage:
• Size: 46.9 KB
• Stars: 8
• Watchers: 4
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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README

          
# Sndmail - a sendmail emulator

![Build status](https://github.com/axllent/sndmail/actions/workflows/release-build.yml/badge.svg)

![CodeQL](https://github.com/axllent/sndmail/actions/workflows/codeql-analysis.yml/badge.svg)

[![Go Report Card](https://goreportcard.com/badge/github.com/axllent/sndmail)](https://goreportcard.com/report/github.com/axllent/sndmail)

Sndmail is a multi-platform sendmail emulator and drop-in replacement for *nix-like platforms.

It was created primarily for use in Docker containers. Whilst there are many different sendmail emulators available, most lack working `sendmail -bs` functionality (running SMTP on standard input) which is now the default with Symfony mail.

## Features

- Static drop-in replacement for sendmail

- Configurable SMTP relay server, STARTTLS with PLAIN, LOGIN and CRAM-MD5 support

- SMTP on standard input (`sendmail -bs`)

- Auto-generates (if missing from input) `Message-Id`, `From` & `Date` headers

## Installation

- Static binaries can be found on the [releases](https://github.com/axllent/sndmail/releases/latest)

- Copy or symlink the `sndmail` executable from `/usr/sbin/sendmail`

- Copy the `sndmail.conf.example` to `/etc/sndmail.conf` making any necessary edits to adjust to your SMTP relay server

### Install via bash script (Linux & Mac)

**Warning**: This will delete any existing /usr/sbin/sendmail!

Linux & Mac users can install it directly via:

```bash

sudo bash < <(curl -sL https://raw.githubusercontent.com/axllent/sndmail/develop/install.sh)

```