Simon Jones wrote:
Thanks Jake,
No matter - I would like to also know:
How to enable
Reverse lookup's (ptr)
Protect against dictionary attacks
Throttle recipients
Get Clamav & Spamassassin working
Sorry I know these will be common questions but I'm used to editing sendmail
M4 and job done! If you can point me to any relevent docs it would be cool.
No big deal, it's what the list is for. I've roughed some of this (I've
been guilty of not working on it) over at the wiki
(wiki.qmailtoaster.com). Anyway:
Reverse IP lookup is controlled in possibly a couple spots. You probably
want to turn it on for tcpserver by editing the
/var/qmail/supervise/smtp/run file and changing the tcpsever flag from
-H to -h, and maybe adding a -p switch to that. The switches are
explained here http://cr.yp.to/ucspi-tcp/tcpserver.html
The next couple are one and the same. These are controlled with the
chkuser patch, and the limits can be changed in your
/etc/tcprules.d/tcp.smtp file. The (current values) 15 is how many
people chkuser allows to be in the TO and/or CC lines before bouncing
the messages. This can be set all the way up to about 254, until the
next version rolls out and Nick writes a patch for chkuser to allow
larger numbers. The 3 in there is how many bad emails it will allow
before dropping the connection, also. So even if they are only sending
to 10 recipients and don't get thumped by chkuser, after the 3rd wrong
email chkuser kicks back in and drops the connection. If you change any
of the values in this file, you'll need to run the command 'qmailctl
cdb' to rebuild the DB file.
And lastly (almost), clamav and spamassassin should be working already
if you installed all the packages from qmailtoaster.com. You can check
this from the command line by typing 'qmailctl stat' and seeing if the
daemons are up.
I didn't quote it, but you were looking to add additional RBL lists.
Almost all of your qmail config files are in /var/qmail/control. In here
you will see blacklists, which is where the RBLs are added. Just follow
the format already in this file (-r your.blacklist.com). I have a list
on the wiki of what the majority of the control files are.
Let us know if you have any more questions!
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