1] Passing e-mails to a shell script opens up a brave new world of possibilities If you have a Postfix mail server setup and running as MTA(Mail Transfer Agent), or even as a LDA (Local Delivery Agent) it is really easy to pipe a mail to your shell script. you open up the aliases file mostly it is in /etc/aliases: mailer-daemon: postmaster postmaster: root nobody: root hostmaster: root usenet: root news: root webmaster: user1 www: user1 ftp: user1 abuse: root So you see you have a bunch of aliases the first part is the email address you sent to e.g : www@yourdomain.org after the ":" is where the mail gets delivered so in our example the mail will be delivered to user1 if you want to redirect to your script change line 8 of the aliases file into: www : |"/home/user1/myscript.sh/" user1 this will pipe all emails addressed to "www" to your script 2] Use Munpack to save the attachments of e-mails One great use of the redirection is to ex