Re: [vchkpw] Recomendations for best spam rejection
Jon LaBass wrote: Jon LaBass wrote: snip Compile vpopmail with SPAM_THRESHOLD=10 and any message scored at 10.0 or above will not be delivered. Jon I just upgraded four servers this morning to 5.4.6, that is not a configure option that I know of. What vpopmail do you use? DAve Well, I use vpopmail on FreeBSD and that's how you define it with the ports. After I wrote that I thought Doh! Not everybody is using bsd so that option may not be available. But, on other systems where you have to manually compile vpopmail, the option --enable-spam-threshold=10 should work. I use FreeBSD and NetBSD though I don't use ports. The stock vpopmail doesn't have this option, at least not the sources I downloaded Monday. Looking through the files directory in the port it seems the spamassassin code is a patch added by someone else to vdelivermail.c and vpopmail.c Interested in knowing how well it works for you though. DAve -- Systems Administrator http://www.tls.net Get rid of Unwanted Emails...get TLS Spam Blocker!
Re: [vchkpw] Recomendations for best spam rejection
On Friday 17 September 2004 09:02 am, Dave Goodrich wrote: Jon LaBass wrote: Jon LaBass wrote: snip Compile vpopmail with SPAM_THRESHOLD=10 and any message scored at 10.0 or above will not be delivered. Jon I just upgraded four servers this morning to 5.4.6, that is not a configure option that I know of. What vpopmail do you use? DAve Well, I use vpopmail on FreeBSD and that's how you define it with the ports. After I wrote that I thought Doh! Not everybody is using bsd so that option may not be available. But, on other systems where you have to manually compile vpopmail, the option --enable-spam-threshold=10 should work. I use FreeBSD and NetBSD though I don't use ports. The stock vpopmail doesn't have this option, at least not the sources I downloaded Monday. Looking through the files directory in the port it seems the spamassassin code is a patch added by someone else to vdelivermail.c and vpopmail.c Interested in knowing how well it works for you though. The devel version has --enable-spamassassin which checks the X-Spam-Flag: YES value set in the headers if the hit count is greater than the required hits. It would not be much more work to add in the --enable-spam-threshold option too. I have that code in simscan now. Ken Jones
Re: [vchkpw] Recomendations for best spam rejection
Ken Jones wrote: On Friday 17 September 2004 09:02 am, Dave Goodrich wrote: Jon LaBass wrote: Jon LaBass wrote: snip Compile vpopmail with SPAM_THRESHOLD=10 and any message scored at 10.0 or above will not be delivered. Jon I just upgraded four servers this morning to 5.4.6, that is not a configure option that I know of. What vpopmail do you use? DAve Well, I use vpopmail on FreeBSD and that's how you define it with the ports. After I wrote that I thought Doh! Not everybody is using bsd so that option may not be available. But, on other systems where you have to manually compile vpopmail, the option --enable-spam-threshold=10 should work. I use FreeBSD and NetBSD though I don't use ports. The stock vpopmail doesn't have this option, at least not the sources I downloaded Monday. Looking through the files directory in the port it seems the spamassassin code is a patch added by someone else to vdelivermail.c and vpopmail.c Interested in knowing how well it works for you though. The devel version has --enable-spamassassin which checks the X-Spam-Flag: YES value set in the headers if the hit count is greater than the required hits. It would not be much more work to add in the --enable-spam-threshold option too. I have that code in simscan now. No, I was just curious, we are happy with the way it works now. I'd rather not have a compile time limit as we have our users used to determining the limit they want. Thanks, DAve Ken Jones -- Systems Administrator http://www.tls.net Get rid of Unwanted Emails...get TLS Spam Blocker!
Re: [vchkpw] Recomendations for best spam rejection
Jon LaBass wrote: Jon LaBass wrote: snip Compile vpopmail with SPAM_THRESHOLD=10 and any message scored at 10.0 or above will not be delivered. Jon I just upgraded four servers this morning to 5.4.6, that is not a configure option that I know of. What vpopmail do you use? DAve Well, I use vpopmail on FreeBSD and that's how you define it with the ports. After I wrote that I thought Doh! Not everybody is using bsd so that option may not be available. But, on other systems where you have to manually compile vpopmail, the option --enable-spam-threshold=10 should work. I use FreeBSD and NetBSD though I don't use ports. The stock vpopmail doesn't have this option, at least not the sources I downloaded Monday. Looking through the files directory in the port it seems the spamassassin code is a patch added by someone else to vdelivermail.c and vpopmail.c Interested in knowing how well it works for you though. DAve -- Systems Administrator http://www.tls.net Get rid of Unwanted Emails...get TLS Spam Blocker! It works quite well. I'm surprised you don't take advantage of the FreeBSD ports. Install vpopmail with the SA flags and SA gets installed automagically and it works normally. Jon
Re: [vchkpw] Recomendations for best spam rejection
Jon LaBass wrote: snip Interested in knowing how well it works for you though. DAve -- Systems Administrator http://www.tls.net Get rid of Unwanted Emails...get TLS Spam Blocker! It works quite well. I'm surprised you don't take advantage of the FreeBSD ports. Install vpopmail with the SA flags and SA gets installed automagically and it works normally. Jon I do use ports on some applications (portupgrade rocks), but often if I need to do a custom configure I just find it easier to do a manual install, as is the case with vpopmail. We use MySQL and a custom script to call spamc changing the delivery requirements based on the spamc results. Some users want the spam tagged, some want it delivered another spam box, some want it deleted. We also allow our users to decide the score they want mail marked as spam, for some it is a user determined score, some a domain determined score. DAve -- Systems Administrator http://www.tls.net Get rid of Unwanted Emails...get TLS Spam Blocker!
[vchkpw] Recomendations for best spam rejection
I am doing a major upgrade to our mail server and I am looking for recommendations for programs and qmail patches to limit the amount of spam that gets through. What are you guys using that has great success?
Re: [vchkpw] Recomendations for best spam rejection
SPF/RBL/SpamAssassin is a great combo. I merely flag with SPF and SpamAssassin right now, but I actively reject based on the ORDB RBL. I've also added some custom SpamAssassin rules to watch for the SPF flags, and adjust the score accordingly. If you're interested, I can provide them. On Thu, 16 Sep 2004 10:40:25 -0600, Andrew Niemantsverdriet [EMAIL PROTECTED] wrote: I am doing a major upgrade to our mail server and I am looking for recommendations for programs and qmail patches to limit the amount of spam that gets through. What are you guys using that has great success?
Re: [vchkpw] Recomendations for best spam rejection
On Thursday 16 September 2004 11:40 am, Andrew Niemantsverdriet wrote: I am doing a major upgrade to our mail server and I am looking for recommendations for programs and qmail patches to limit the amount of spam that gets through. What are you guys using that has great success? I would recommend using an RBL list. Using a check-user patch to qmail-smtpd. And using a combination of spamassassin and clamav. Ken Jones
Re: [vchkpw] Recomendations for best spam rejection
Andrew Niemantsverdriet wrote: I am doing a major upgrade to our mail server and I am looking for recommendations for programs and qmail patches to limit the amount of spam that gets through. What are you guys using that has great success? SpamAssassin without a doubt. Depending on how much traffic you have I would not use any qmailqueu patch as I had seen ours use a lot of resources. We process around 100k to 150k messages a day (inbound only). We use dot-qmail to call a script which runs SA with user specific prefs. If you have a lot of traffic, I would look seriously at MailScanner. I run MailScanner on the gateway for SV scanning only but it does have hooks for SA. DAve -- Systems Administrator http://www.tls.net Get rid of Unwanted Emails...get TLS Spam Blocker!
Re: [vchkpw] Recomendations for best spam rejection
Oh, yes. I have to second the ClamAV (or /any/ antivirus, really). On Thu, 16 Sep 2004 11:58:13 -0500, Ken Jones [EMAIL PROTECTED] wrote: On Thursday 16 September 2004 11:40 am, Andrew Niemantsverdriet wrote: I am doing a major upgrade to our mail server and I am looking for recommendations for programs and qmail patches to limit the amount of spam that gets through. What are you guys using that has great success? I would recommend using an RBL list. Using a check-user patch to qmail-smtpd. And using a combination of spamassassin and clamav. Ken Jones
Re: [vchkpw] Recomendations for best spam rejection
Andrew Niemantsverdriet wrote: I am doing a major upgrade to our mail server and I am looking for recommendations for programs and qmail patches to limit the amount of spam that gets through. What are you guys using that has great success? I forget to add we also use spamcop, but not in SpamAssassin, I let qmail do it. I would also highly recommend the SURBL in SpamAssassin. If I use no other tests, SURBL would catch 70% of my current caught spam. DAve -- Systems Administrator http://www.tls.net Get rid of Unwanted Emails...get TLS Spam Blocker!
RE: [vchkpw] Recomendations for best spam rejection
Hi, how can I use SA global in qmail, with dropping of Mails that have more than 10 points of score? So that this mails that are definitly spam don't deliver to the user? That would extremly reduce our traffic and spam mails in the customer mailbox. Greetings Jan -Original Message- From: Matthew Walker [mailto:[EMAIL PROTECTED] Sent: Thursday, September 16, 2004 7:06 PM To: [EMAIL PROTECTED] Subject: Re: [vchkpw] Recomendations for best spam rejection Oh, yes. I have to second the ClamAV (or /any/ antivirus, really). On Thu, 16 Sep 2004 11:58:13 -0500, Ken Jones [EMAIL PROTECTED] wrote: On Thursday 16 September 2004 11:40 am, Andrew Niemantsverdriet wrote: I am doing a major upgrade to our mail server and I am looking for recommendations for programs and qmail patches to limit the amount of spam that gets through. What are you guys using that has great success? I would recommend using an RBL list. Using a check-user patch to qmail-smtpd. And using a combination of spamassassin and clamav. Ken Jones
RE: [vchkpw] Recomendations for best spam rejection
I forget to add we also use spamcop, but not in SpamAssassin, I let qmail do it. I would also highly recommend the SURBL in SpamAssassin. If I use no other tests, SURBL would catch 70% of my current caught spam. what is SURBL? have you an URL? Jan
Re: [vchkpw] Recomendations for best spam rejection
Courtesy of Google: http://www.google.com/search?q=SURBLsourceid=firefoxstart=0start=0ie=utf-8oe=utf-8 - Chris On Thu, 16 Sep 2004 19:31:01 +0200, Jan Lange [EMAIL PROTECTED] wrote: I forget to add we also use spamcop, but not in SpamAssassin, I let qmail do it. I would also highly recommend the SURBL in SpamAssassin. If I use no other tests, SURBL would catch 70% of my current caught spam. what is SURBL? have you an URL? Jan
Re: [vchkpw] Recomendations for best spam rejection
http://www.surbl.org/ We use it here too (Also a public DNS server for them), by far the best spam filtering we do. A would recommend again :-) Regards, Joe Boyce --- InterStar, Inc. - Shasta.com Internet Phone: +1 (530) 224-6866 x105 Email: [EMAIL PROTECTED] Thursday, September 16, 2004, 10:31:01 AM, you wrote: I forget to add we also use spamcop, but not in SpamAssassin, I let qmail do it. I would also highly recommend the SURBL in SpamAssassin. If I use no other tests, SURBL would catch 70% of my current caught spam. JL what is SURBL? have you an URL? JL Jan
Re: [vchkpw] Recomendations for best spam rejection
Hi, how can I use SA global in qmail, with dropping of Mails that have more than 10 points of score? So that this mails that are definitly spam don't deliver to the user? That would extremly reduce our traffic and spam mails in the customer mailbox. Greetings Jan -Original Message- From: Matthew Walker [mailto:[EMAIL PROTECTED] Sent: Thursday, September 16, 2004 7:06 PM To: [EMAIL PROTECTED] Subject: Re: [vchkpw] Recomendations for best spam rejection Oh, yes. I have to second the ClamAV (or /any/ antivirus, really). On Thu, 16 Sep 2004 11:58:13 -0500, Ken Jones [EMAIL PROTECTED] wrote: On Thursday 16 September 2004 11:40 am, Andrew Niemantsverdriet wrote: I am doing a major upgrade to our mail server and I am looking for recommendations for programs and qmail patches to limit the amount of spam that gets through. What are you guys using that has great success? I would recommend using an RBL list. Using a check-user patch to qmail-smtpd. And using a combination of spamassassin and clamav. Ken Jones Compile vpopmail with SPAM_THRESHOLD=10 and any message scored at 10.0 or above will not be delivered. Jon
RE: [vchkpw] Recomendations for best spam rejection
-Original Message- From: Jon LaBass [mailto:[EMAIL PROTECTED] Sent: Thursday, September 16, 2004 10:49 AM To: [EMAIL PROTECTED] Subject: Re: [vchkpw] Recomendations for best spam rejection Hi, how can I use SA global in qmail, with dropping of Mails that have more than 10 points of score? So that this mails that are definitly spam don't deliver to the user? That would extremly reduce our traffic and spam mails in the customer mailbox. Greetings Jan -Original Message- From: Matthew Walker [mailto:[EMAIL PROTECTED] Sent: Thursday, September 16, 2004 7:06 PM To: [EMAIL PROTECTED] Subject: Re: [vchkpw] Recomendations for best spam rejection Oh, yes. I have to second the ClamAV (or /any/ antivirus, really). On Thu, 16 Sep 2004 11:58:13 -0500, Ken Jones [EMAIL PROTECTED] wrote: On Thursday 16 September 2004 11:40 am, Andrew Niemantsverdriet wrote: I am doing a major upgrade to our mail server and I am looking for recommendations for programs and qmail patches to limit the amount of spam that gets through. What are you guys using that has great success? I would recommend using an RBL list. Using a check-user patch to qmail-smtpd. And using a combination of spamassassin and clamav. Ken Jones Compile vpopmail with SPAM_THRESHOLD=10 and any message scored at 10.0 or above will not be delivered. Jon as all others said SA and Clamd. we use Clamd tapped into qmail-scanner w/virus updates as notifications are sent. we process SA though dot-qmail+maildrop with user-preferences as well as only processing SA for *real* users. the difficuly we've seen is there is so much spam to non-existant accounts we needed to quit wasting SA processing time. in addition, we use a little SA cluster: 8 boxes processing SA, with NFS'd bayesDB and a custom weighted random rotator script. --joey
Re: [vchkpw] Recomendations for best spam rejection
Jan Lange wrote: Hi, how can I use SA global in qmail, with dropping of Mails that have more than 10 points of score? Lots of ways, .qmail-default file, qmailqueue replacements, custom scripts, ask the SpamAssassin list. I don't do that but I am sure others do. Http://www.spamassassin.org DAve So that this mails that are definitly spam don't deliver to the user? That would extremly reduce our traffic and spam mails in the customer mailbox. Greetings Jan -Original Message- From: Matthew Walker [mailto:[EMAIL PROTECTED] Sent: Thursday, September 16, 2004 7:06 PM To: [EMAIL PROTECTED] Subject: Re: [vchkpw] Recomendations for best spam rejection Oh, yes. I have to second the ClamAV (or /any/ antivirus, really). On Thu, 16 Sep 2004 11:58:13 -0500, Ken Jones [EMAIL PROTECTED] wrote: On Thursday 16 September 2004 11:40 am, Andrew Niemantsverdriet wrote: I am doing a major upgrade to our mail server and I am looking for recommendations for programs and qmail patches to limit the amount of spam that gets through. What are you guys using that has great success? I would recommend using an RBL list. Using a check-user patch to qmail-smtpd. And using a combination of spamassassin and clamav. Ken Jones -- Systems Administrator http://www.tls.net Get rid of Unwanted Emails...get TLS Spam Blocker!
Re: [vchkpw] Recomendations for best spam rejection
Jon LaBass wrote: snip Compile vpopmail with SPAM_THRESHOLD=10 and any message scored at 10.0 or above will not be delivered. Jon I just upgraded four servers this morning to 5.4.6, that is not a configure option that I know of. What vpopmail do you use? DAve -- Systems Administrator http://www.tls.net Get rid of Unwanted Emails...get TLS Spam Blocker!
Re: [vchkpw] Recomendations for best spam rejection
Hi, We started with Spamassassin called from users .qmail file (with user prefs), clamd with qmailscanner and /usr/local/bin/rblsmtpd -b -C \ -r 'relays.ordb.org:Your message was rejected because the mail server you use is configured to allow OPEN RELAY - More detailed information regarding this problem is available from http://www.ordb.org/lookup/?host=%IP% - Please forward this error through to your email server support staff for easy resolution.' \ -t 5 \ in our qmail-smtp run file. IsoQLog shows that we recieved approx 3.5 - 4 million messages each month from january to june. Mid june, we modified our qmail-smtp run file to: /usr/local/bin/rblsmtpd -b -C \ -r 'relays.ordb.org:Your message was rejected because the mail server you use is configured to allow OPEN RELAY - More detailed information regarding this problem is available from http://www.ordb.org/lookup/?host=%IP% - Please forward this error through to your email server support staff for easy resolution.' \ -r 'sbl-xbl.spamhaus.org:Probable spam connection rejected. Details at http://www.spamhaus.org/query/bl?ip=%IP%' \ -r 'list.dsbl.org:Probable spam connection rejected. Details at http://dsbl.org/listing?%IP%' \ -t 5 \ July's recieved count was at 2.2 million and august's count was at 1.1 million. we have had nothing but thanks from our customers who recieve less than half of the spammail they used to, before spamassassin come into play. The ordb stopped very little spam, The XBL/SBL stops MORE THAN HALF of our incoming mail. http://www.spamhaus.org Brian - Original Message - From: Andrew Niemantsverdriet [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, September 16, 2004 9:40 AM Subject: [vchkpw] Recomendations for best spam rejection I am doing a major upgrade to our mail server and I am looking for recommendations for programs and qmail patches to limit the amount of spam that gets through. What are you guys using that has great success?
Re: [vchkpw] Recomendations for best spam rejection
Jon LaBass wrote: snip Compile vpopmail with SPAM_THRESHOLD=10 and any message scored at 10.0 or above will not be delivered. Jon I just upgraded four servers this morning to 5.4.6, that is not a configure option that I know of. What vpopmail do you use? DAve -- Systems Administrator http://www.tls.net Get rid of Unwanted Emails...get TLS Spam Blocker! Well, I use vpopmail on FreeBSD and that's how you define it with the ports. After I wrote that I thought Doh! Not everybody is using bsd so that option may not be available. But, on other systems where you have to manually compile vpopmail, the option --enable-spam-threshold=10 should work.
