Security Basics mailing list archives
Re: Good SPAM filter for Outlook for use in a small non-profite ORG
From: "Mario A. Spinthiras" <mario () netway com cy>
Date: Thu, 28 Sep 2006 12:04:43 +0300
Devdas Bhagat wrote:
Sorry about my first post with the shell script in it. This is the final version. Still a quick whip in the kitchen. Home made cooking tastes nice. Hope this is inspirational.On 24/09/06 16:50 +0300, Mario A. Spinthiras wrote:Is there a way to implement RBL within an email client ? If so you dontSpamAssassin or equivalent.need much of the super duper applications written today to stop spam. RBL usually works perfectly on mail servers. I dont see how it couldntDNSBLs are supposed to be used on MX hosts. anything beyond that leads to accept, then bounce scenarios, or merely tagging as spam. Devdas Bhagat --------------------------------------------------------------------------- This list is sponsored by: Norwich University EARN A MASTER OF SCIENCE IN INFORMATION ASSURANCE - ONLINEThe NSA has designated Norwich University a center of Academic Excellence in Information Security. Our program offers unparalleled Infosec management education and the case study affords you unmatched consulting experience. Using interactive e-Learning technology, you can earn this esteemed degree, without disrupting your career or home life.http://www.msia.norwich.edu/secfocus ---------------------------------------------------------------------------
Regards, Mario A. Spinthiras #!/bin/sh # Mario A. Spinthiras # mario at netway dot com dot cyRBLS="in.dnsbl.org sbl.spamhaus.org whois.rfc-ignorant.org relays.ordb.org nonconfirm.mail-abuse.org dialups.mail-abuse.org dnsbl.njabl.org dnsbl.sorbs.net list.dsbl.org multihop.dsbl.org multihop.dsbl.org"
if [ -z $1 ]; then echo "[*] Not enough parameters. use: $0 [ip]. Exiting." exit; fi echo "[*] Setting up query transaction" ACL=$(echo $1|cut -d"." -f1) BCL=$(echo $1|cut -d"." -f2) CCL=$(echo $1|cut -d"." -f3) DCL=$(echo $1|cut -d"." -f4) RBLHOST="$DCL.$CCL.$BCL.$ACL"if [ $ACL -gt "255" ] || [ $BCL -gt "255" ] || [ $CCL -gt "255" ] || [ $DCL -gt "255" ]; then
echo "[*] Invalid IP" echo "[*] Exiting." exit; fi echo "[*] Performing query..." echo "[*]" for i in $RBLS; do echo "[*] Checking $i" OUTPUT1=$(nslookup $RBLHOST.$i|grep -v "#"|grep Address|awk '{ print $2 }') if [ "$OUTPUT1" ]; then LISTED="$i $LISTED" else NLISTED="$i $NLISTED" fi done echo "[*]" echo "[*] Queries complete." if [ -z "$LISTED" ]; then echo "[*] Congratulations. You are not listed on any of the configured RBLs" exit; else echo "[*]" echo "[*] WARNING: You are listed in the following RBLs:" echo "[*] $LISTED" echo "[*] CONSIDER THIS A PROBLEM!" fi --------------------------------------------------------------------------- This list is sponsored by: Norwich University EARN A MASTER OF SCIENCE IN INFORMATION ASSURANCE - ONLINEThe NSA has designated Norwich University a center of Academic Excellence in Information Security. Our program offers unparalleled Infosec management education and the case study affords you unmatched consulting experience. Using interactive e-Learning technology, you can earn this esteemed degree, without disrupting your career or home life.
http://www.msia.norwich.edu/secfocus ---------------------------------------------------------------------------
Current thread:
- Re: Good SPAM filter for Outlook for use in a small non-profite ORG, (continued)
- Re: Good SPAM filter for Outlook for use in a small non-profite ORG Dave Ockwell-Jenner (Sep 22)
- Re: Good SPAM filter for Outlook for use in a small non-profite ORG John R. Dennison (Sep 22)
- Re: Good SPAM filter for Outlook for use in a small non-profite ORG Greg Bur (Sep 22)
- Re: Good SPAM filter for Outlook for use in a small non-profite ORG LHartung (Sep 26)
- Re: Good SPAM filter for Outlook for use in a small non-profite ORG me (Sep 22)
- RE: Good SPAM filter for Outlook for use in a small non-profite ORG Jordan Jason (Sep 22)
- RE: Good SPAM filter for Outlook for use in a small non-profite ORG Beauford, Jason (Sep 22)
- Re: Good SPAM filter for Outlook for use in a small non-profite ORG Mario A. Spinthiras (Sep 25)
- Re: Good SPAM filter for Outlook for use in a small non-profite ORG Devdas Bhagat (Sep 27)
- Re: Good SPAM filter for Outlook for use in a small non-profite ORG Mario A. Spinthiras (Sep 28)
- Re: Good SPAM filter for Outlook for use in a small non-profite ORG Mario A. Spinthiras (Sep 28)
- Re: Good SPAM filter for Outlook for use in a small non-profite ORG Mario A. Spinthiras (Sep 25)
- Re: Good SPAM filter for Outlook for use in a small non-profite ORG iamdotcomguy (Sep 22)