443 Open source projects that are alternatives of or similar to Sendgrid Go

The Official Twilio SendGrid Led, Community Driven C#, .NetStandard, .NetCore API Library

The Official Twilio SendGrid Led, Community Driven Java API Library

Configure Magento 2 to send email using Google App, Gmail, Amazon Simple Email Service (SES), Microsoft Office365 and many other SMTP (Simple Mail Transfer Protocol) servers

The Official Twilio SendGrid Led, Community Driven Python API Library

The Official Twilio SendGrid Led, Community Driven Ruby API Library

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

The Official Twilio SendGrid Led, Community Driven PHP API Library

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A Postmark adapter for Laravel

Send email across all platforms using one interface

[API v3] Official Mailjet API v3 NodeJS wrapper

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A light-weight, modular, message representation and mail delivery framework for Python.

[API v3] Mailjet PHP Wrapper

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

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All in one email sender for .NET. Supports popular senders (SendGrid, MailGun, etc) and Razor templates.

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⏰ A GitHub Action that reminds you to share your own content

A dead simple Go library for sending notifications to various messaging services.

📮 Dialogflow + Sendgrid = AI Mailbox

Transactional email server with a lovely web interface

[API v3] Mailjet Java API Wrapper

The official MailerSend Laravel Driver

A Grunt workflow for designing and testing responsive HTML email templates with SCSS.

The DIME resolver library and command line utilities.

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

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A Domain Name & Email Address Collection Tool

Prometheus Alertmanager

An extension for Thunderbird that allows you to view threads as "real" conversations, including your own emails. This extension also adds a bunch of useful UI features in the conversation view.

Tutanota is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

An open source email campaign management tool for nonprofits

Object-oriented, fully tested PHP IMAP library

holehe allows you to check if the mail is used on different sites like twitter, instagram and will retrieve information on sites with the forgotten password function.

C# library that moves your stylesheets to inline style attributes, for maximum compatibility with E-mail clients.

Easily send great-looking HTML email messages from R

Fully functional Open Source email marketing manager for creating, sending, integrating, and analysing email campaigns and newsletters.

MFCMAPI

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Check if an email address exists without sending any email, written in Rust.

Exchange Transport rules to detect and enable response to phishing

Full-featured, open source mail server solution for mainstream Linux/BSD distributions.

Glass - ISC DHCP Server Interface

🦘 The Grouparoo Monorepo - open source customer data sync framework

The best (weekly) newsletters

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K-9 Mail – Open Source Email App for Android

Exim Mail Transport Agent - source, testsuite and documentation

Asynchronous email client for your terminal

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Dovecot mail server

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Functional HTML forms for Front-End Developers.