| qmail-spp provides plug-in support for the qmail SMTP daemon (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, and much more. |
![[ Register ]](/images/navbar/register.gif){kind=small}
![[ Applications ]](/images/navbar/applications.gif){kind=small}
![[ Documentation ]](/images/navbar/documentation.gif){kind=small}
![[ Distributions ]](/images/navbar/distributions.gif){kind=small}
![[ Download Info ]](/images/navbar/download.gif){kind=small}
![[ General Info ]](/images/navbar/geninfo.gif){kind=small}
![[ Book Store ]](/images/navbar/bookstore.gif){kind=small}
![[ Courses ]](/images/navbar/courses.gif){kind=small}
![[ News ]](/images/navbar/news.gif){kind=small}
![[ People ]](/images/navbar/people.gif){kind=small}
![[ Hardware ]](/images/navbar/hardware.gif){kind=small}
![[ Vendors ]](/images/navbar/vendors.gif){kind=small}
![[ Projects ]](/images/navbar/projects.gif){kind=small}
![[ Events ]](/images/navbar/events.gif){kind=small}
![[ User Groups ]](/images/navbar/usergroups.gif){kind=small}
![[ User Area ]](/images/navbar/user_area.gif){kind=small}
![[ About Us ]](/images/navbar/aboutus.gif){kind=small}
![[ Home Page ]](/images/navbar/homepage.gif){kind=small}
![[ Advertise ]](/images/navbar/advertise.gif){kind=small}
