Hi Dave, We're using spamhaus, ordb and sorbs. Sorbs ist not really reliable and creates a lot of false/positives.
I added dsbl.org and ahbl.org for a test, hoping for good results. ============================================ Am Mittwoch, 8. September 2004 um 21:26 schrieben Sie: > I finally got around to checking a random log file from the past two weeks > and evaluating the effectivness of the various Spam Blacklists that we are > using. Checking emails received between the one hour period between > Midnight and 1am on that particular log (a Wednesday) I found the following: > sbl-xbl.spamhaus.org 32 hits > bl.spamcop.net 78 hits > list.dsbl.org 33 hits > dnsbl.ahbl.org 34 hits > dnsbl.njabl.org 1 hit (for the entire 24 hr. period) > opm.blitzed.org 1 hit (for the entire 24 hr. period) > relays.ordb.org 1 hit (for the entire 24 hr. period) > multihop.dsbl.org 15 hits > I then picked another day at random (the following Monday) to check that log > sbl-xbl.spamhaus.org 42 hits > bl.spamcop.net 78 hits > list.dsbl.org 46 hits > dnsbl.ahbl.org 28 hits > dnsbl.njabl.org 12 hit (during the first 6 hours) > opm.blitzed.org 0 hits for the entire 24 hr. period) > relays.ordb.org 0 hits (for the entire 24 hr. period) > multihop.dsbl.org 3 hits > Since we automatically delete a message if it is found to have come from a > server listed on any two of the above spam databases I can't say that > dnsbl.njabl.org > opm.blitzed.org > relays.ordb.org > multihop.dsbl.org > would not have identified more pieces of spam than they did, however I > think I am safe turning off the server from checking those last four > databases since it appears that the first four are taking care of the VAST > majority of identified spam. Not checking those four additional databases > should also help with speeding up local mail delivery since it IMail checks > in serial. > Of course, YMMV > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ ============================================ -- Mit freundlichen Gr�ssen -------------------------------------------- Merlin Consulting Martin Schaible Bahnhofstrasse 27 CH-8702 Zollikon Phone: +41 1 391 30 00 Fax: +41 1 391 32 49 Mail: mailto:[EMAIL PROTECTED] URL: http://www.merlinconsulting.ch Support: http://support.merlinconsulting.ch GPS: N47 20.235 E8 34.226 -------------------------------------------- News - Neue Produkte: .:. Kiwi Syslog Monitor .:. Paessler GmbH .:. Sawmill Loganalyzer -------------------------------------------- To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
