Open source DocuSign alternative
Powerful Open Source Email Marketing app with analytics & segmentation
EasyMailer: Bulk Email/SMS Sender Using SMTP
SMTPRelay server
Bitcoin Alts portfolio tracker, email / text / alexa / telegram alerts
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
secure, reliable, fast MTA
An easy-to-use anti-spam email gateway
Full features for Dolphin's right click menu on KDE [4.x|5.x]
Open-Source Centos7 project to offer rapid communication apps.
Open Source Anti-Spam and Anti-Virus Gateway
Encrypting E-Mail Client
A simple library for sending emails with or without attachments
Debian Mailserver
An open framework for Single SignOn authentication
Configure a SMTP server to send email from your WordPress site