GeoIP aware SMTP service – 1

Sending email to all over the world, especially to China, is a big challenge. How to deliver email safely and lower the bandwidth consumption?

Here is my recipes.

Standard SMTP need a lot of conversations, to finish ONE email message. So, for long distance transaction, I’ll make use of QMQP (Quick Mail Queueing Protocol) which is a lot faster than standard one.

To identify country, I’ll use GeoIP Continue reading

IP accounting using pmacct and NetFlow – 2

After successfully capture Netflow data, my boss remind me to split IN and OUT traffic data…(read previous story)

Lets find answer from official documents …read~ read~ read~

Oh…the first sample..aggregate can be multiple exists in following style. Continue reading