On Mon, 1 Nov 2010, Russ Sanders wrote:
The system is a basic Linode running Ubuntu Linux 8.04 with 512M of memory.
Any way to add more RAM?
Suggestions will be appreciated.
You want to do things at SMTP time to reduce your email volume.
Greylisting has been suggested; I see good results from it here.
Rejecting messages that do not have a FDQN in the HELO string works well
for me, too. I use milter-regex for this as well as for some other tests.
Are you open to SMTP-time reject based on the Zen DNSBL?
--
John Hardin KA7OHZ http://www.impsec.org/~jhardin/
jhar...@impsec.org FALaholic #11174 pgpk -a jhar...@impsec.org
key: 0xB8732E79 -- 2D8C 34F4 6411 F507 136C AF76 D822 E6E6 B873 2E79
-----------------------------------------------------------------------
"Bother," said Pooh as he struggled with /etc/sendmail.cf, "it never
does quite what I want. I wish Christopher Robin was here."
-- Peter da Silva in a.s.r
-----------------------------------------------------------------------
6 days until Daylight Saving Time ends in U.S. - Fall Back
