North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: SPAM Prevention/Blacklists
On Wed, 3 Mar 2004 17:45:59 -0500 "Patrick W.Gilmore" <[email protected]> wrote: > On Mar 3, 2004, at 4:23 PM, Brandon Shiers wrote: > > Just a real quick question for the folks on the Nanog list: > > We are using the following RBL's on our MTA right now: > > Spamhaus (sbl-xbl) > > DSBL > > NJABL (dynablock) > Of the ones above, I only use spamhaus, combined with opm.blitzed.org & > relays.visi.com i use the same ones as Patrick, but i also use the cbl (a component of the spamhaus xbl, perhaps the only one at the present time, but that could change.) one thing i do is use opm.blitzed.org and cbl.abuseat.org at connect time. hosts on these lists are pretty much guaranteed to be open proxies or compromised hosts, so listening to them at all is a waste of time. no need to wait until after RCPT TO: to 5xx, i just drop the connection. > Also, I like sender verification, but that's me. i used it for some time, and reluctantly shut it down. blocked a lot of email abuse, but too many false positives for my taste. richard -- Richard Welty [email protected] Averill Park Networking 518-573-7592 Java, PHP, PostgreSQL, Unix, Linux, IP Network Engineering, Security
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