Postscreen – Greylisting in Postfix
Greylisting is well known antispam technique. It’s idea is basing on fact, that spamming hosts (zombies) do not have time for re-transmission and are trying to send maximum amount of spam in shortest time...
Monthly Archive: August 2012
Mail system implementation
My experience, which I gained during implementation of different systems shows, that implementation should be done in stages. Then, at each stage you can see if it works, if there are some fields to...
Building mail system
This description is based on my experience, which I gained during mail system implementation on University of Silesia (Katowice/Poland). In the first stage there was about 3 000 of users, now the system is...
