Playing with qmail-spp
qmail-spp provides plug-in support for qmail-smtpd. It allows you to write external programs and use them to check SMTP command argument validity. The plug-in can trigger several actions, like denying a command with an error message, logging data, adding a header...
Limiting the number of emails sent by a given auth-user/domain/IP
If you want to avoid the risk of compromising your server because of accounts who are sending messages indiscriminately to the world, due to the fact that their password have been violated in some way, then you can consider Luca Franceschini's...
Merry Xmas and happy new... patch!
Massive Christmas present by my italian friend Luca Franceschini of digitalmind. He merged his combo with my combined patch (2016.12.02 version) adding several (heavily customized) patches and functionalities. Luca is a C programmer and an expert system administrator who manages big...
daemontools
More info here: http://cr.yp.to/daemontools.html Original author: D.J. Bernstein github version: 0.79 daemontools is a collection of tools for managing UNIX services. It monitors qmail services and saves error messages to one or more logs. Changelog Version 0.79This version does not add new features nor corrects bugs. It's...
