How to remove mail from Postfix queue
Sometimes you need to remove some mail from queue or do other things in shell. For experienced administrators this is not a problem, but I decided to write some usable shell commands and scripts...
Monthly Archive: June 2012
Postfix
Postfix is Wietse Venema’s mail server that started life at IBM research as an alternative to the widely-used Sendmail program. Postfix attempts to be fast, easy to administer, and secure. The outside has a...
Dovecot – compilation and installation
On Linux systems you can install Dovecot from packages. Appropriate packages supports also LDAP authentication, MySQL and so on. Unfortunatelly you probably would not find a newest versions, when you install in this manner....
OpenDJ – online schema modification
I wrote before about schema conversion to LDIF format and how to add schemas offline by uploading them to config/schema directory in OpenDJ. Now I will describe how to extend schema online, without restart...
ClamAV
Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX, designed especially for e-mail scanning on mail gateways. It provides a number of utilities including a flexible and scalable multi-threaded daemon, a command...
OpenSSL
The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as...
Dovecot
Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with security primarily in mind. Dovecot is an excellent choice for both small and large installations. It’s fast, simple to set up, requires no special administration and it uses very little memory.
