31 Open source projects that are alternatives of or similar to mailsec-check

Command line utility and a Node.js library for email authentication

Internet.nl toolbox - how-to's for modern mail security standards (DMARC, DKIM, SPF and DANE)

Hermes Secure Email Gateway is a Free Open Source Ubuntu 18.04 or 20.04 Server based Email Gateway that provides Spam, Virus and Malware protection, full in-transit and at-rest email encryption as well as email archiving. It features the latest email authentication techniques such as SPF, DKIM and DMARC.

✉️ Composable all-in-one mail server.

Simple and full-featured mail server using Docker

ThunderSec is a security plugin for Mozilla Thunderbird that creates several pieces of additional security functionality, including DNSBL, RBL, SURBL, DKIM and SPF.

A fast, highly extensible, and event driven SMTP server

Postfix SMTP relay docker image

A parser for SPF and DMARC DNS records

Insular email distribution - mail server as Docker images

Ansible playbooks to deploy a full featured mail server stack using Docker.

FEDL-Federated Learning algorithm using TensorFlow (Transaction on Networking 2021)

A collection of libraries and tools written in Go.

A Go library to create and verify DKIM signatures (migrated)

Parse SPF record and determine if client IP is allowed to send email.

It's a lightweight, fast and reliable Sendmail milter that implements the Sender Policy Framework

Compact large SPF chains into flat blocks of IP addresses

A cross-platform .NET library for IMAP, POP3, and SMTP.

Tool to verify DKIM signatures on an mbox of emails

SMTP-proxy that DKIM-signs e-mails before submission to an upstream SMTP-server.

No description or website provided.

Golang DKIM Verifier

A minimalist client for sending mail direct to recipient's MX

Program to test DANE enabled TLS Services

SMTP DANE testing tool

'DANE for SMTP' wiki

Nagios/Icinga plugin for checking DANE/TLSA records

The collections of simple, weighted, exponential, smoothed moving averages.

Django based web-app to visually analyze DMARC aggregate reports

Add-on for ingesting DMARC aggregate reports into Splunk

Fullstack, security focused mailserver based on OpenSMTPD for OpenBSD using ansible