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Send Mime and Smime Emails to Any Type of Mail Server
Aegis Implicit Mail is a free and open source 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.
* In-line attachment and separate file attachment
* All content types and mimes
* SMIME , Signed and Encrypted mails
In an integrated way
Sadly, Microsoft.Net.Mail Ssl Mails does not support Implicit Ssl Mail and it is still used by many servers, including port 465 of Gmail here AIM comes to make a readable and fast alternative to send your smtp mails.
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Develop cross-platform tools faster using a C++ Framework proven in commercial software. Classes support logging, sockets, RFC servers (NNTP, SMTP, POP, HTTP), object indexing, ini, tagged databases, file systems, and more. The STDNOJ Namespace, by R.A. Nagy
ISPMan is a system to design massive ISPs using LDAP as the backend.
ISPMan provides a web front end and a command line interface to create virtual domains and manages users, dns information, email infos and httpd setup data for these vhosts.
SORBS - Spam and Open Relay Blocking System - NOT http://www.sorbs.net/ This project is to provide a SMTP proxy that automatically checks incoming SMTP connections for origination from a server with an unsecured SMTP server and/or Proxy server.
A Bayesian spam filter for SMTP servers, based on Paul Graham's "A Plan for Spam", http://www.paulgraham.com/spam.html. Includes tools for spam-database maintenance & testing config. parameters. Supports sendmail & postfix; others soon. GPL.