Public bug reported: My Ubuntu Server uses a lot of different Anti-SPAM Techniques. FQDN_Verfify, Blacklists, Greylisting, and some Spamtraps. Everything needet for this Setup can be found in the Ubuntu-Repos. This worked out very fine for quite a while, but recently Spammers found a way around the greyfilter an spam slips into my mailbox again.
A possible solution would be "stuttering". It would be fine if the next Ubuntu Version could include stutter-support for Sendmail, Postfix and Exim. Stuttering means that the Mailserver answers really slow to "untrusted" connections, a reply would take server seconds to serval Minutes. Many Spambots kill the connection, and won't try again. A patched version of postgrey can be found here: http://k2net.hakuba.jp/targrey/index.en.html ** Affects: ubuntu Importance: Undecided Status: New ** Tags: anti spam -- stutter/trapit against spam https://bugs.launchpad.net/bugs/515061 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
