Reject

Python SRS Library is a Python implementation of the Sender Rewriting Scheme. Python SRS Library is a fairly direct translation of the draft implementation in Perl by Shevek. It includes a test suite, which currently checks four levels of forwarding and subsequent reversal for the Guarded, DB,... Platforms: *nix

mod_authnz_external is an Apache module used for authentication. The two modules provide basically the same functionality, and differ mainly in the way they interface to other authentication code in Apache. For Apache 2.1 and later, mod_authnz_external should be prefered. The Apache HTTP... Platforms: *nix

postprox is an SMTP proxy which copies an SMTP conversation between its input and another SMTP server, but spools the DATA portion to a temporary file and runs a specified program on it before passing it on to the output server - or outputting an SMTP error code instead if the content filter says... 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

NAT iptables firewall script is an iptables firewall script. This script is meant to be run once per boot the rules will be double added if you try to run it twice if you need to add another rule during runtime, change the -A to a -I to add it to the top of the list of rules if you use -A it... Platforms: *nix

Delta project assists users in minimizing "interesting" files, subject to a test of their "interestingness". A common such situation is when attempting to isolate a small failure-inducing substring of a large input that causes a program to exhibit a bug. The best way to understand how to use... Platforms: *nix

Simscan is a simple program that enables qmail-smtpd to reject viruses, spam, and block attachments during the SMTP conversation so the email never makes it into your computers. Very efficient and written in C. It is made from open source components and is completely free. Inter7 is the global... Platforms: *nix

dirwall is a small iptables firewall script that keeps the iptables rules separate from the script. The rules are stored in separate files so that other packages may maintain them. The dirwall rules are located in /etc/dirwall/{ACCEPT,FORWARD,MASQ,NAT,NOLOG,REJECT}/*". There may be multiple... Platforms: *nix

Net::Milter provides a masquerade as the MTA to communicate with email filters through a milter interface. SYNOPSIS use Net::Milter; my $milter = new Net::Milter; $milter->open(127.0.0.1,5513,tcp); my ($milter_version,$returned_actions_ref,$returned_protocol_ref) =... Platforms: *nix

avpmilter is a sendmail milter interface to the Kaspersky antivirus daemon. Avpmilter gets virus scan result and tells sendmail MTA to send reject message upon virus detection. This program is not MTA, nor antivirus by itself. In comparison with will Kasperskys kavkeeper it will improve... Platforms: *nix

SPF Sendmail milter is a Sendmail filter that implements the Sender Policy Framework technology with help of libSPF2 library. It checks SPF records to make sure that the email is authorized by the domain name that it is coming from. This prevents email forgery, commonly used by spammers,... Platforms: *nix

BlackMail is a highly configurable SMTP mail filter that runs at a system level as a proxy to your existing mailer. Selectively reject bogus or spam mail during receipt, saving you extra storage space or irate users. Blackmail operates at a system-wide level: all incoming and optionally... Platforms: *nix

Mod_Auth_External and mod_authnz_external are Apache modules used for authentication. The two modules provide basically the same functionality, and differ mainly in the way they interface to other authentication code in Apache. For Apache 2.1 and later, mod_authnz_external should be prefered.... Platforms: *nix

Guestbooks remain a popular feature on many websites. This script allows you to install and use a full featured guestbook on your website.Script Features: - Nice user friendly interface - Utilises a MySQL database for efficiency - Preview entry - BB Code - Ban Filters (Optional) - Contact... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

Firewall Monitor allows you to monitor ipchains/iptables output in realtime. It supports both logging to a file/stdout and/or to tcpdump format capture logs. It also supports security features such as running non-root, and chrooting itself. Fwmon can easily be integrated into an existing... Platforms: *nix

phPOP3clean is a PHP-based POP3 email scanner.It's designed to be run as a cron job every minute or so, and to catch & delete several types of unwanted emails:a) malformed emails - incomplete or malformed headers, which cause    some POP3 servers to drop connection when the message is... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

spamdyke is a drop-in filter for qmail to provide connection-time blacklisting, graylisting, DNS RBL checking, improved logging, and more spamdyke project is a standalone program that does not use qmail source code or require patching/recompiling qmail. For anyone who runs a mail server, spam... Platforms: *nix

SMTPGuard is a tool which controls the flow of email traversing an MTA (Mail Transfer Agent). It is designed to be used on an SMTP server for incoming mail, and currently supports postfix. SMTPGuard was originally created to meet the needs of Internet Service Providers (ISPs). ISPs typically... Platforms: *nix

Distributed Checksum Clearinghouse, in short DCC, is a system of clients and servers that collect and count checksums related to mail messages. The counts can be used by SMTP servers and mail user agents to detect and reject bulk mail. DCC servers can exchange common checksums. The checksums... Platforms: *nix

amavisd-new is a high-performance and reliable interface between mailer (MTA) and one or more content checkers: virus scanners, and/or Mail::SpamAssassin Perl module. amavisd-new is written in Perl, ensuring high portability, reliability and maintainability. It talks to MTA via (E)SMTP or LMTP... Platforms: *nix