An independent implementation of the RFC 4408 Sender Policy Framework (SPF-Classic).
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Updated
Jul 9, 2023 - C
An independent implementation of the RFC 4408 Sender Policy Framework (SPF-Classic).
Provides a means by which client connection and envelope details and/or message headers and content can be filtered using shell commands or scripts. Intended as a way to implement quick & dirty content filtering solutions when there is no other suitable milter available.
smf-spamd: Smart Sendmail Filters
Extracts URLs from a mail message and checks it against one or more URI blacklists. Can also verify if any link is bad or broken.
Limit the number of messages by connecting client IP, sender, or recipient.
A “call-forward” milter for mail gateways to verify that mail recipients exist on an authoritative mail store before the gateway accepts the message.
Grey listing keeps track of tuples consisting of the connecting IP, sender's envelope, and recipient's envelope. If a tuple, does not exist in the cache, then a new entry is added and kept until it expires and the message is temporarily rejected.
Provide an interface to the popular open source Clam Anti-Virus scanner.
minimal MDA with Maildir support. imported from https://git.lekensteyn.nl/femtomail/
Fast lightweight SPF mail filter for sendmail
Block connections from remote sites that are sending spam, thus reducing load on your mail server.
An interface to the popular open source SpamAssasssin mail analysis tool, which returns a score based on a comprehensive set of patterns and Bayesian checks.
A minimalist client for sending mail direct to recipient's MX
Provides a means by which client connection and envelope details and/or message headers and content can be filtered using shell commands or scripts. Intended as a way to implement quick & dirty content filtering solutions when there is no other suitable milter available.
A simple SMTP Client library for C/C++
Grey listing is an anti-spam technique that keeps track of tuples consisting of the connecting IP, sender's envelope, and recipient's envelope. If a tuple, does not exist in the cache, then a new entry is added and kept until it expires and the message is temporarily rejected.
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