Server Name Indication (SNI) per qmail e dovecot
Server Name Indication (SNI) è una estensione del protocollo TLS che consente a un server di presentare differenti certificati a seconda dell'hostname richiesto dal client durante il saluto TLS. In un ambiente email moderno, molti domini condividono uno stesso indirizzo IP per...
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...
Migrating from Linux-VServer to LXC (Slackware)
Tired of the nightmares of remotely compiling the kernel with Linux-VServer, a software that I'm pleased with despite of some lack of documentation, these days I was playing with LXC, which is included and supported by Slackware and for which the Linux...
How to backup a server with rsync via ssh login without password
Rsync is a fast and extraordinarily versatile file copying tool. It can copy locally, to/from another host over any remote shell, or to/from a remote rsync daemon.It offers a large number of options that control every aspect of its behavior and...
