387 Open source projects that are alternatives of or similar to Mailcore

qpsmtpd is a flexible smtpd daemon written in Perl

Send a notebook as an email

Visual Studio Code extension that provides commands to deploy files of a workspace to a destination.

Eventum Issue Tracking System

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.

An SMTP adapter for Bamboo.

Get a programmable email address. Automate what happens when you receive emails. It's like Zapier for devs who hate emails.

small python3 tool to check common vulnerabilities in SMTP servers

🌟 FastSitePHP 🌟 A Modern Open Source Framework for building High Performance Websites and API’s with PHP

MailMergeLib is a mail message client library which provides comfortable mail merge capabilities for text, inline images and attachments, as well as good throughput and fault tolerance for sending mail messages.

Mailway installer, host your own Mailway instance

.NET email library and proxy supporting IMAP, POP3, and SMTP with S/MIME and PGP.

netDumbster is a .Net Fake SMTP Server clone of the popular Dumbster

Very crude and poorly written HTTP(s) and SMTP bin

This tool generates gopher link for exploiting SSRF and gaining RCE in various servers

The complete and secured Mail Client for ESP32, sending and reading the E-mail through the SMTP and IMAP servers.

Easy HTML form without PHP or JavaScript

Repository of Twilio SendGrid's product documentation.

The Official Twilio SendGrid Led, Community Driven Node.js API Library

An implementation of Django's EmailBackend compatible with sendgrid-python v5+

Serverless Monorepo App

Strongly typed library for the entire SendGrid v3 API, including webhooks

Twilio Function templates for different Voice, SMS, Video, Chat, Sync, etc use cases

The Official Twilio SendGrid Led, Community Driven PHP API Library

Example DAGs using hooks and operators from Airflow Plugins

Java library to easily send emails using the Mailgun service

An analytics dashboard and reporting tool for Mailgun and Amazon SES transactional emails.