Postfix: Blocking persistent SPAM senders (goodbye airtelbradband.in)

Date:

March 25, 2015


Category:

Linux Admin TipsSPAM


Author:

John Taylor


No Comments

At the moment about 90% of our SPAM is coming from India and China (The Russians seem to be on holiday). Of the Indian SPAM, the majority originates from airtelbroadband.in Like many ISPs Airtelbroadband don't seem  to care that they are being used to send spam. Sometimes our only recourse is to reject all emails... Read More >>

Fun with Find

Date:

March 5, 2015


Category:

Linux Admin Tips


Author:

John Taylor


No Comments

Find is a really useful tool. I must use it many times every day. Here are some useful examples: Finding all files matching find all directories in current folder $ find . -type d find all files: $ find . -type f Find all .php files $ find . -type f -name "*.php" Find all... Read More >>