Smtp

Perl Webmail is a CGI/mod_perl application that interfaces with external POP3 and SMTP services. Perl Webmail provides all the expected functionality of a mail client, such as read, reply, forward, delete, as well as sending and receiving attachments, storage for mail folders, contacts, and... Platforms: *nix

NoSPAMProxy blocks the SPAM before it reaches your smtp Server. It acts as a SMTP Proxy Server and does NOT require any local SMTP Servers installed. It scans the SMTP Stream and sends a 550 as soon it classifies the STREAM as SPAM. No flooded Badmails and Queues any more. You bounce the SPAM... Platforms: Windows

smtbang is a small SMTP mailer program designed to send mail in chroot environments by sending email through a local smtpd host without a fully-installed server and keeping requirements at minimum. Its useful for building scripts in PHP and other Web-based applications. Installation: The... Platforms: *nix

XMail is an Internet and intranet mail server featuring an SMTP server, POP3 server, finger server, multiple domains, no need for users to have a real system account, SMTP relay checking, RBL/RSS/ORBS/DUL and custom ( IP based and address based ) spam protection, SMTP authentication ( PLAIN LOGIN... Platforms: *nix

JVMail is a console SMTP client, written in java, which can send email messages from the command line. It is designed to allow automatic mail messaging from batch files or from within programs. Platforms: ALL

Nail is a mail user agent derived from Berkeley Mail. It provides the functionality of the System V and POSIX mailx commands. Additional features include support for MIME, IMAP (including caching and disconnected use), POP3, SMTP, S/MIME, international character sets, maildir folders, message... Platforms: *nix

Simple,easy to use smtp/pop3 mailserver with nice GUI, source code is included. Supports multiple domains, multiple email addresses for one mailbox, aliases(Mailing lists), email routing and more. Platforms: Windows

Twisted Mail project provides client and server implementations of SMTP, POP3, and IMAP4. These differentiate themselves from the Python standard library implementations both by presenting a much higher-level, easy-to-use interface and in their server components, which allow the implementation... Platforms: *nix

libESMTP is an SMTP client which manages posting (or submission of) electronic mail via a preconfigured Mail Transport Agent (MTA). libESMTP library may be used as part of a Mail User Agent (MUA) or other program that must be able to post electronic mail but where mail functionality is not that... Platforms: *nix

XPertMailer is a SMTP & POP3 PHP Mail Client that you can use to send and read e-mails in MIME format (text, HTML, HTML embedded images, attachments) towards a localhost, client or relay SMTP servers with optional autentication and TLS/SSL support. Cc and Bcc functionality are included in this... Platforms: *nix

msmtp is an SMTP client. In the default mode, it transmits a mail to an SMTP server (for example at a free mail provider) which takes care of further delivery. To use this program with your mail user agent (MUA), create a configuration file with your mail account(s) and tell your MUA to call... Platforms: *nix, C/C++, BSD

SendEmail is a lightweight, completly command line based, SMTP email agent. If you have the need to send email from a command prompt this tool is perfect. It was designed to be used in bash scripts, Perl programs, and web sites, but it is also quite useful in many other contexts. SendEmail is so... Platforms: *nix

Mail::SendEasy can send plain/html e-mails through SMTP servers (platform independent). Supports SMTP authentication and attachments. This modules will send in a easy way e-mails, and doesnt have dependencies. Soo, you dont need to install libnet. It supports SMTP authentication and... Platforms: *nix

ClamSMTP project is an SMTP filter that allows you to check for viruses using the ClamAV anti-virus software. It accepts SMTP connections and forwards the SMTP commands and responses to another SMTP server. The DATA email body is intercepted and scanned before forwarding. ClamSMTP aims to be... Platforms: *nix

A Powerful all in one web development tool.Features:* In Built Web Server, Application Server, Database, Scripting Language, SMTP, FTP, Serial ports * Cross platform - Win95/98/ME/NT/2000/XP, Linux and OS/2* Scheduler* Event Handler* Invokes external exes* Many moreAdvantages:* Develop once... Platforms: OS/2, Windows, *nix

Simple Multi User Out-Of-Office-Responder project is a vacation email responder that can be easily plugged into simple SMTP servers with procmail. We have a small e-mail server running on Debian GNU/Linux. All users are local (in /etc/passwd), have mail delivered via procmail to mailboxes in... Platforms: *nix

DGS SMTP is a PHP class which acts as an email client, able to send an email without using PHPs built in mail() function. This is most often useful for sites that are unable to get PHPs build in mail() function to work. (Usually because they dont have access to sites php.ini file).. Platforms: *nix

eProxy software is an SMTP proxy server framework specially designed for use in conjunction with Postfix version 2.1 and higher. However, it does also work as a frontend proxy however security wise I trust on the postfix smtpd. What can eProxy be used for? It is very fast and utilizes... Platforms: *nix

The Java Apache Mail Enterprise Server (a.k.a. Apache James) is a 100% pure Java SMTP and POP3 Mail server and NNTP News server. It is designed James to be a complete and portable enterprise mail engine solution based on currently available open protocols. James is also a mail application... Platforms: *nix

No-relay SMTP daemon is a lightweight mail server whose sole purpose is to receive incoming messages and deliver them to local users. Its main "feature" (or non-feature, really) is to be completely unable to relay messages to adjacent servers: if an incoming message is not addressed to a local... Platforms: *nix