bley

intelligent greylisting daemon for Postfix and Exim

Install

All systems
curl cmd.cat/bley.sh
Debian Debian
apt-get install bley
Ubuntu
apt-get install bley
image/svg+xml Kali Linux
apt-get install bley
Windows (WSL2)
sudo apt-get update sudo apt-get install bley
Raspbian
apt-get install bley

bley

intelligent greylisting daemon for Postfix and Exim

bley uses various tests (incl. RBL and SPF) to decide whether a sender should be greylisted or not, thus mostly eliminating the usual greylisting delay while still filtering most of the spam.