spf is an open source implementation of the Sender Policy Framework (SPF) in Go.

It is used by the chasquid and maddy SMTP servers.

The Exim MTA

Canonical git repo: https://git.exim.org/exim.git

SMTP (email) server with a focus on simplicity, security, and ease of operation [mirror]

Email Validator web service validates email addresses: https://pommalabs.gitlab.io/email-validator/

Liquimail implements glue code to use Liquid templates with MailKit: https://pommalabs.gitlab.io/liquimail/

OSINT Project. Collect information from a mail. Gather. Profile. Timeline.

TLS-enabled mail retrieval (POP3/IMAP/ETRN/ODMR) and forwarding (SMTP/LMTP/MDA) agent.

Note the Git branches: legacy_64 (stable 6.4.x releases), legacy_6x (near-future 6.5.x development), next (mid-term future 7.x.x development)

Aplus Framework Email Library

Some tools for processing mailing-list archives

amavis is a high-performance email content filter framework written in Perl.

Connects to Grafana and sends an e-mail with attached graphs.

Email plugin for @jitesoft/yolog logger.

Envio de e-mail html com imagens inline e anexos usando o comando msmtp e contas seguras.

MailCare is an open source disposable email address services. Accessible via web browser or API to protect your privacy right now. https://mailcare.io

A microservice and rest api for sending emails with i18n and templating with custom variables.

This monitor determines if there are issues observing from the time a GitLab issue is created to the time an email about the issue is received. This allows us to know how long the emails take to be delivered as this can impact user satifaction based

Quickly receive anonymous and temporary mails using Guerrilla Mail.

Mail Authentication Checker verify SPF, DKIM, DMARC and Root Domain hack to determine the security of a domain against spoofing/phishing attacks.

Loom is a jekyll theme that weaves HTML emails from markdown and SCSS

A standalone server to send notification (email, SMS, webhook and websocket) using RabbitMQ as broker to improve robustness