MailuInsular email distribution - mail server as Docker images
Maddy✉️ Composable all-in-one mail server.
MailkitA cross-platform .NET library for IMAP, POP3, and SMTP.
HarakaA fast, highly extensible, and event driven SMTP server
verify-dkimTool to verify DKIM signatures on an mbox of emails
smtp-dkim-signerSMTP-proxy that DKIM-signs e-mails before submission to an upstream SMTP-server.
mailauthCommand line utility and a Node.js library for email authentication
docker-mail-serverAnsible playbooks to deploy a full featured mail server stack using Docker.
OpenDKIMNo description or website provided.
toolbox-wikiInternet.nl toolbox - how-to's for modern mail security standards (DMARC, DKIM, SPF and DANE)
mailsec-checkAnother utility to analyze state of deployment of security-related email protocols.
Hermes-Secure-Email-GatewayHermes 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.
shareA collection of libraries and tools written in Go.
mailserverSimple and full-featured mail server using Docker
thundersecThunderSec is a security plugin for Mozilla Thunderbird that creates several pieces of additional security functionality, including DNSBL, RBL, SURBL, DKIM and SPF.
go-dkimA Go library to create and verify DKIM signatures (migrated)