Dovecot/Postfix new mail user

  Create a no-login user and add to proper aliases. Temporarily add chmod 777 to /var/mail/<mailbox> for initial email.  Once checked email for first time, secure the file structure.

Securing dovecot IMAPs/ Postfix STARTTLS SMTP

Disable unneeded ports: vi /etc/dovecot/dovecot.conf # Protocols we want to be serving. #protocols = imap pop3 lmtp protocols = imaps Configure SSL: vi /etc/dovecot/conf.d/10-ssl.conf Disable unneeded ports: vi /etc/dovecot/dovecot.conf # Protocols we want to be...

Free Software List

A list of software I use and like, all have been verified to be adware and spyware free..Let me know if you’re looking for something that’s not on the list! 48 programs listed so far! Spyware scanner – (programs to get rid of the nastys slowing down your computing...

Speed up NFS with the following mount options.

Statically sets protocols as TCP, sets a read and write size to 1024000 (1MB) and only reports an IO error (not a complete failure) during a communication failure to the server and retrys the IO. proto=tcp,mountproto=tcp,rsize=1024000,wsize=1024000,soft These options...

Install and run ClusterSSH

If you’re running Fedora 18+ type: sudo yum install clusterssh -y If you’re running RHEL or a RHEL clone.. Download Cluster SSH from Sourceforge yum install gcc make kernel-devel kernel-headers perl perl-CPAN libX11-devel -y perl -MCPAN -e shell install Tk install...