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DSN Support for Exim. This patch allows Exim 4.xx to support the sending of email Delivery Status Notifications.
From Exim 4.83 onwards DSN is now included as standard (based on this patch).
dsn_process was a removed option of this standard inclusion and so the patches after 4.76 will re-enable that functionality and provide a binary with the same options / configurations as previously.
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Qmail-patches is a set of assembled patches available for qmail. It''''''''s an easy way to
improve functionality of you mail system. Patch adds: authorization support, SSL,
QMAILQUEUE, filter support in qmail-smtpd, etc.
A statistics utility to be used with qmail-scanner. It utilizes log entries generated by a patch to the qmail-scanner distribution to report spam and virus details. Often included in the qmailstats script from QmailRocks.org to send nightly stats emails.
This project provides an amended interface for the Sendmail Milter (libmilter) library which allows the SMTP envelope sender address to be updated by mail filter applications.
qmail-monitor is a patch to qmail that offers mail monitoring (duplication) functionality on both incoming and outgoing smtp traffic. the monitor ruleset is intuitive and allows the administrator to make changes w/o restarting the server processes.
TLim (Transaction Limiter)
TLim is a patch that spam-hardens sendmail against both inbound and outbound abuse.
TLim counts the number of transactions an IP performs. Should the IP violate admin-defined limits, it is sanctioned via a null route.
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