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~Vanessa Zenluplopoden 21.Mar.03 08:28 PM a Web browser Domino Server6.0.1Windows NT
Greetings all,
Last Saturday, I implemented R6.0.1 on our SMTP server to help combat the problem with spam. Not just spam, all of the emails that we get daily addresses to bogus addresses. I have been working with Lotus on an issue, and wanted to open it up to everyone here for discussion.
Like I said, I installed 6.0.1, and enables 5 DNSBL looksups. They are:
Relays.osirusoft.com; sbl.spamhaus.org; list.dsbl.org; bl.spamcop.net; orbs.dorkslayers.com
I also put enabled the “Verify that local domain recipients exist in the Domino Directory:” option.
First two days, worked great. Spam was down by a sizeable margin, and everyone was happy. Then, the bad stuff hit. Over the past three days, there have been periods on my server where no mail will be delivered. I will have NUMEROUS connections, and the Blacklists will do their look-ups, but, nothing will be delivered. Lotus, (who has done an awesome job helping me out), had me put some extra logging in place to see what’s going on with the email conversations when this hits. According to them, the spammers are not disconnected from my server after they are told to by the SMTP command, and they will fill up the thread with a bunch of crap. If I restart the SMTP task, the problem will go away for a while. Anyone else out there seen this problem?
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DNSBL Fun! (~Vanessa Zenlup... 21.Mar.03)
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