How to avoid being "cut off" by spamhaus.org
As you probably know spamhaus limits your smtp and DNS traffic (http://www.spamhaus.org/organization/dnsblusage/ for more info) and in case of big servers this can be a serious problem. Luckily, Costel Balta sent me a solution to the problem that I'm going to paste...
Testing ESMTP-SIZE patch for qmail
Author of the patch: Will Harris' (?) http://will.harris.ch/qmail-smtpd.c.diff (local copy) The patch allows the qmail-smtpd to reject the message if it's too big according to its accepted databytes before it has been received. Try to send a test message that is bigger than your...
Realtime Block List (RBL) - qmail-rblchk
Una Realtime Block List (RBL) è una lista indirizzi che un fornitore di liste RBL ritiene siano causa di Spam. Come alternativa a rblsmtpd, per bloccare gli IP di queste liste faremo uso del programma qmail-rblchk di Luca Morettoni. Info: http://www.morettoni.net/qmail-rblchk.html Scarica: http://www.morettoni.net/qmail/qmail-rblchk-2.4.1.tar.gz Vedi anche:...
qmail-inject sieve vacation/reject messages trouble
Author of the patch: Stéphane Cottin qmail-inject-null-sender patch Last week me and a couple of friends of this blog dealed with a trouble which engaged us for many hours, until Stéphane Cottin sent me this patch after 3 minutes from my request! The problem Create...
