Highly scalable/configurable Messaging Platform allowing users in a domain to be distributed on multiple hosts, has multiple queues. Provides virtual domains/users in MySQL. Modern MSP class qmail replacement with ESMTP, POP3/IMAP, QMTP, QMQP support
Send Mime and Smime Emails to Any Type of Mail Server
Aegis Implicit Mail is a free and opensource library which is designed to provide fast and developer friendly API to send emails using SMTP ports.
Binaries are available in the form of NuGet package:
https://www.nuget.org/packages/AIM
Please check http://pki.tools/aim.html as well
AIM Supports :
* None Ssl Mails
* Implicit Ssl Mails
* Explicit Ssl Mails
* Smtp Connection test
* Detect Ssl type of mail server
* Attachments for MIME and S/MIME message
YPOPs! is an application which emulates a POP3/SMTP mail server and provides free POP3 and SMTP access to Yahoo! Mail. It does not depend on Yahoo's POP3/SMTP mail server. You can use a mail client of your choice!
Extensive High Availability Modules (XHAM) provides “active-active” failsafe solutions to your Linux Firewall, Gateway, Router, Email Server, NIDS (Snort), Proxy, Samba, MySQL (with NAS), and Apache.
A small, fast, secure, anti-spam SMTP mail server (MTA). Delivery to mbox files and Maildirs supported. qwik-smtpd supports RBL, relay checking, raw/custom message handlers, and more. Custom authentication via checkpassword and a qmail-compatible configu