Re: Honeypot email addresses

2015-01-08 Thread David Flanigan
Excellent feature - I look forward to using it. It does lead me to another question however. Using a spam honeypot would lead to a large corpus of SPAM. My corpus of HAM, but its very nature, would be much smaller. Are there any negative implication to training the Bayesian filters with

Re: Honeypot email addresses

2015-01-08 Thread Reindl Harald
Am 09.01.2015 um 02:01 schrieb David Flanigan: Excellent feature - I look forward to using it. It does lead me to another question however. Using a spam honeypot would lead to a large corpus of SPAM. My corpus of HAM, but its very nature, would be much smaller. Are there any negative

Re: Honeypot email addresses

2015-01-08 Thread David B Funk
On Thu, 8 Jan 2015, Alex Regan wrote: How about using a domain specifically for creating a honeypot, of you only need an email@address no point in registering a domain soley for this, some might think its better, but I see no real advantage to it over using a well known existing domain,

Re: Honeypot email addresses

2015-01-08 Thread Alex Regan
On 01/07/2015 02:31 PM, Reindl Harald wrote: Am 07.01.2015 um 20:23 schrieb Alex: I'm also wondering what exactly you're taking from these messages that are received? Are you blocking based on IP? Creating header/body rules? Those are usually transferable to other systems, but what about

Re: Honeypot email addresses

2015-01-08 Thread Alex Regan
How about using a domain specifically for creating a honeypot, of you only need an email@address no point in registering a domain soley for this, some might think its better, but I see no real advantage to it over using a well known existing domain, infact if you examine your logs you might

Re: Honeypot email addresses

2015-01-08 Thread Reindl Harald
Am 08.01.2015 um 22:57 schrieb Alex Regan: On 01/07/2015 02:31 PM, Reindl Harald wrote: Am 07.01.2015 um 20:23 schrieb Alex: I'm also wondering what exactly you're taking from these messages that are received? Are you blocking based on IP? Creating header/body rules? Those are usually

RE: Honeypot email addresses

2015-01-08 Thread Marieke Janssen
How about using a domain specifically for creating a honeypot you only need an email@address no point in registering a domain soley for this, some might think its better, but I see no real advantage This represents the largest problem I have, because any well-known existing domain has zen

Re: Honeypot email addresses

2015-01-07 Thread Noel Butler
On 08/01/2015 05:23, Alex wrote: I have an old domain with a number of dormant accounts that I'd like to use. The domain also uses several RBLs, so a majority of the spam is rejected before it's ever received, so it's less than effective. You need to whitelist at least the trap addresses to

Re: Honeypot email addresses

2015-01-07 Thread Alex
Hi, I was hoping it was okay to resurrect a thread from a few months ago and ask a few questions regarding creating some type of honeypot for spammers. Just search your /var/log/maillog for user unknown messages, and create email addresses for the unknown users which are showing up multiple

Re: Honeypot email addresses

2015-01-07 Thread Reindl Harald
Am 07.01.2015 um 20:23 schrieb Alex: I'm also wondering what exactly you're taking from these messages that are received? Are you blocking based on IP? Creating header/body rules? Those are usually transferable to other systems, but what about bayes? How can you use it for bayes when that

Re: Honeypot email addresses

2014-12-04 Thread Philip Prindeville
On 11/21/2014 09:49 AM, David F. Skoll wrote: On Fri, 21 Nov 2014 08:43:22 -0800 (PST) John Hardin jhar...@impsec.org wrote: On a public mailng list isn't a great place to discuss such tactics... I suspect spammers are dumb and will just vacuum up any address they can find. Also, the

Re: Honeypot email addresses

2014-12-04 Thread Noel Butler
On 04/12/2014 00:54, Christian Grunfeld wrote: It would be very rare, and if so you would ever more rare CC the entire list of addresses on your spam message - sure this was a lot more common in years gone by, but I've not seen any such evidence of it in almost 10 years, and if you

Re: Honeypot email addresses

2014-12-04 Thread Noel Butler
read my reply to Chris, its rather simple - if you care (and we have some pretty damn illiterate users, if they can get it right, anyone can) Oh additional point, it also helps if your CSR's also have a clue, and sound confident when talking to users, if they sound hesitant u's and

Re: Honeypot email addresses

2014-12-04 Thread Reindl Harald
Am 03.12.2014 um 23:56 schrieb Philip Prindeville: On 11/21/2014 09:49 AM, David F. Skoll wrote: On Fri, 21 Nov 2014 08:43:22 -0800 (PST) John Hardin jhar...@impsec.org wrote: On a public mailng list isn't a great place to discuss such tactics... I suspect spammers are dumb and will just

Re: Honeypot email addresses

2014-12-04 Thread Ted Mittelstaedt
On 12/2/2014 5:32 PM, LuKreme wrote: I have *never* considered Barracuda to be reliable. At least they have stopped their practice of listing my server and then sending me spam offering to sell me their crapware to keep it off blacklists for per month. I think there's a direct

Re: Honeypot email addresses

2014-12-04 Thread Reindl Harald
Am 03.12.2014 um 02:32 schrieb LuKreme: another recent example: Spamhaus blocked GMX/11/Web.de completly *by a mistake*, no problem in case of scoring, a ruined weekend if we had used it as only source The extremely occasional mistaken black is more than made up for by the vast quantities

Re: Honeypot email addresses

2014-12-04 Thread Dave Funk
On Thu, 4 Dec 2014, Noel Butler wrote: On 04/12/2014 00:54, Christian Grunfeld wrote: It would be very rare, and if so you would ever more rare CC the entire list of addresses on your spam message - sure this was a lot more common in years gone by, but I've not seen any such

Re: Honeypot email addresses

2014-12-04 Thread Philip Prindeville
On 12/04/2014 05:32 AM, Reindl Harald wrote: Am 03.12.2014 um 23:56 schrieb Philip Prindeville: On 11/21/2014 09:49 AM, David F. Skoll wrote: On Fri, 21 Nov 2014 08:43:22 -0800 (PST) John Hardin jhar...@impsec.org wrote: On a public mailng list isn't a great place to discuss such

Re: Honeypot email addresses

2014-12-04 Thread Dave Pooser
On 12/4/14, 3:10 PM, Philip Prindeville philipp_s...@redfish-solutions.com wrote: Not necessarily. If I post to a list with this address, and wait 60 days, I can assume that 99.999% of email that comes back after that date is not related to the original posting. Further, after 15 days, anything

Re: Honeypot email addresses

2014-12-04 Thread Philip Prindeville
On Dec 4, 2014, at 2:30 PM, Dave Pooser dave...@pooserville.com wrote: On 12/4/14, 3:10 PM, Philip Prindeville philipp_s...@redfish-solutions.com wrote: Not necessarily. If I post to a list with this address, and wait 60 days, I can assume that 99.999% of email that comes back after that

Re: Honeypot email addresses

2014-12-03 Thread Christian Grunfeld
It would be very rare, and if so you would ever more rare CC the entire list of addresses on your spam message - sure this was a lot more common in years gone by, but I've not seen any such evidence of it in almost 10 years, and if you did, well, that's not my problem, its the problem of your

Re: Honeypot email addresses

2014-12-03 Thread Dave Pooser
It would be very rare, and if so you would ever more rare CC the entire list of addresses on your spam message Really? I see it all the time, often with a message body of TAKE ME OFF THIS LIST (because four exclamation points will convince a spammer to stop, while three just amuse the

Re: Honeypot email addresses

2014-12-02 Thread Noel Butler
On 02/12/2014 15:28, Ted Mittelstaedt wrote: On 12/1/2014 8:47 PM, Noel Butler wrote: On 02/12/2014 09:07, Reindl Harald wrote: Am 01.12.2014 um 23:46 schrieb Franck Martin: On Nov 26, 2014, at 10:50 AM, Reindl Harald h.rei...@thelounge.net mailto:h.rei...@thelounge.net wrote: Am

Re: Honeypot email addresses

2014-12-02 Thread Kevin A. McGrail
On 12/2/2014 12:28 AM, Ted Mittelstaedt wrote: For anyone else, this discussion about honeypots STARTED as a discussion on where to find good Bayes feeding sources. No, it started as a discussion about honeypots to help the SOUGHT 2.0 project which could use more volunteers, BTW! Regards,

Re: Honeypot email addresses

2014-12-02 Thread LuKreme
On Dec 1, 2014, at 10:28 PM, Ted Mittelstaedt t...@ipinc.net wrote: This is assuming of course that your instantly blocking everything from a sender that happens to email a honeypot. Right. That i the *point* of a honeypot. The only thing going to a honeypot is going to be a spammer. Most

Re: Honeypot email addresses

2014-12-02 Thread Matthias Leisi
On Tue, Dec 2, 2014 at 3:19 PM, LuKreme krem...@kreme.com wrote: On Dec 1, 2014, at 10:28 PM, Ted Mittelstaedt t...@ipinc.net wrote: This is assuming of course that your instantly blocking everything from a sender that happens to email a honeypot. Right. That i the *point* of a honeypot.

Re: Honeypot email addresses

2014-12-02 Thread Ted Mittelstaedt
On 12/2/2014 6:19 AM, LuKreme wrote: On Dec 1, 2014, at 10:28 PM, Ted Mittelstaedtt...@ipinc.net wrote: This is assuming of course that your instantly blocking everything from a sender that happens to email a honeypot. Right. That i the *point* of a honeypot. The only thing going to a

Re: Honeypot email addresses

2014-12-02 Thread Kevin A. McGrail
On 12/2/2014 12:24 PM, Ted Mittelstaedt wrote: On 12/2/2014 6:19 AM, LuKreme wrote: On Dec 1, 2014, at 10:28 PM, Ted Mittelstaedtt...@ipinc.net wrote: This is assuming of course that your instantly blocking everything from a sender that happens to email a honeypot. Right. That i the

Re: Honeypot email addresses

2014-12-02 Thread Ted Mittelstaedt
On 12/2/2014 9:31 AM, Kevin A. McGrail wrote: On 12/2/2014 12:24 PM, Ted Mittelstaedt wrote: On 12/2/2014 6:19 AM, LuKreme wrote: On Dec 1, 2014, at 10:28 PM, Ted Mittelstaedtt...@ipinc.net wrote: This is assuming of course that your instantly blocking everything from a sender that

Re: Honeypot email addresses

2014-12-02 Thread Reindl Harald
Am 02.12.2014 um 18:24 schrieb Ted Mittelstaedt: On 12/2/2014 6:19 AM, LuKreme wrote: On Dec 1, 2014, at 10:28 PM, Ted Mittelstaedtt...@ipinc.net wrote: This is assuming of course that your instantly blocking everything from a sender that happens to email a honeypot. Right. That i the

Re: Honeypot email addresses

2014-12-02 Thread Niamh Holding
Hello Reindl, Tuesday, December 2, 2014, 6:14:26 PM, you wrote: RH no, i am saying nobody right in his mind is rejecting mails because RH *one* RBL You do say the sweetest things! Should I be offended given that we block at SMTP time if an IP address is listed in just one of a chosen

Re: Honeypot email addresses

2014-12-02 Thread Reindl Harald
Am 02.12.2014 um 19:22 schrieb Niamh Holding: Hello Reindl, Tuesday, December 2, 2014, 6:14:26 PM, you wrote: RH no, i am saying nobody right in his mind is rejecting mails because RH *one* RBL You do say the sweetest things! Should I be offended given that we block at SMTP time if an IP

Re: Honeypot email addresses

2014-12-02 Thread Axb
On 12/02/2014 07:22 PM, Niamh Holding wrote: Hello Reindl, Tuesday, December 2, 2014, 6:14:26 PM, you wrote: RH no, i am saying nobody right in his mind is rejecting mails because RH *one* RBL You do say the sweetest things! Should I be offended given that we block at SMTP time if an IP

Re: Honeypot email addresses

2014-12-02 Thread Noel Butler
On 03/12/2014 03:07, Matthias Leisi wrote: On Tue, Dec 2, 2014 at 3:19 PM, LuKreme krem...@kreme.com wrote: On Dec 1, 2014, at 10:28 PM, Ted Mittelstaedt t...@ipinc.net wrote: This is assuming of course that your instantly blocking everything from a sender that happens to email a

Re: Honeypot email addresses

2014-12-02 Thread Christian Grunfeld
.if *anyone* sends *anything* to that address it is unsolicited mail - spam, so that IP sender is blacklisted and placed in a DNSBL as well because there is no possible legitimate reason to send to that address ït is not really true. If a spammer sends to a list of addresses and among

Re: Honeypot email addresses

2014-12-02 Thread Noel Butler
On 03/12/2014 09:18, Christian Grunfeld wrote: .if *anyone* sends *anything* to that address it is unsolicited mail - spam, so that IP sender is blacklisted and placed in a DNSBL as well because there is no possible legitimate reason to send to that address ït is not really

Re: Honeypot email addresses

2014-12-02 Thread LuKreme
On Dec 2, 2014, at 10:24 AM, Ted Mittelstaedt t...@ipinc.net wrote: On 12/2/2014 6:19 AM, LuKreme wrote: On Dec 1, 2014, at 10:28 PM, Ted Mittelstaedtt...@ipinc.net wrote: This is assuming of course that your instantly blocking everything from a sender that happens to email a

Re: Honeypot email addresses

2014-12-02 Thread LuKreme
On Dec 2, 2014, at 11:28 AM, Reindl Harald h.rei...@thelounge.net wrote: Am 02.12.2014 um 19:22 schrieb Niamh Holding: Hello Reindl, Tuesday, December 2, 2014, 6:14:26 PM, you wrote: RH no, i am saying nobody right in his mind is rejecting mails because RH *one* RBL You do say

Re: Honeypot email addresses

2014-12-01 Thread Franck Martin
On Nov 26, 2014, at 10:50 AM, Reindl Harald h.rei...@thelounge.net wrote: Am 26.11.2014 um 19:45 schrieb Franck Martin: On Nov 26, 2014, at 10:19 AM, Matthias Leisi matth...@leisi.net mailto:matth...@leisi.net wrote: Agreed, it is cheap in resources. However, it will be easier to add

Re: Honeypot email addresses

2014-12-01 Thread Reindl Harald
Am 01.12.2014 um 23:46 schrieb Franck Martin: On Nov 26, 2014, at 10:50 AM, Reindl Harald h.rei...@thelounge.net wrote: Am 26.11.2014 um 19:45 schrieb Franck Martin: On Nov 26, 2014, at 10:19 AM, Matthias Leisi matth...@leisi.net mailto:matth...@leisi.net wrote: Agreed, it is cheap in

Re: Honeypot email addresses

2014-12-01 Thread Reindl Harald
Am 01.12.2014 um 23:46 schrieb Franck Martin: You think that spamhaus, SURBL, URIBL, and any other reputable list service would add in their blocking list a legit domain because some faced forged sender? to make it clearer: no, but *i know* for sure that *any* of that blacklists is not

Re: Honeypot email addresses

2014-12-01 Thread Noel Butler
On 02/12/2014 09:07, Reindl Harald wrote: Am 01.12.2014 um 23:46 schrieb Franck Martin: On Nov 26, 2014, at 10:50 AM, Reindl Harald h.rei...@thelounge.net wrote: Am 26.11.2014 um 19:45 schrieb Franck Martin: My experience says it is very useful my point in context of that thread is

Re: Honeypot email addresses

2014-12-01 Thread Noel Butler
On 02/12/2014 08:46, Franck Martin wrote: On Nov 26, 2014, at 10:50 AM, Reindl Harald h.rei...@thelounge.net wrote: Am 26.11.2014 um 19:45 schrieb Franck Martin: On Nov 26, 2014, at 10:19 AM, Matthias Leisi matth...@leisi.net mailto:matth...@leisi.net wrote:Agreed, it is cheap in

Re: Honeypot email addresses

2014-12-01 Thread Ted Mittelstaedt
On 12/1/2014 8:47 PM, Noel Butler wrote: On 02/12/2014 09:07, Reindl Harald wrote: Am 01.12.2014 um 23:46 schrieb Franck Martin: On Nov 26, 2014, at 10:50 AM, Reindl Harald h.rei...@thelounge.net mailto:h.rei...@thelounge.net wrote: Am 26.11.2014 um 19:45 schrieb Franck Martin: My

Re: Honeypot email addresses

2014-11-28 Thread Christian Grunfeld
probably the same time it took to ipv4 become exhausted ! 2014-11-27 3:59 GMT-03:00 John Wilcock j...@tradoc.fr: Le 26/11/2014 19:56, Christian Grunfeld a écrit : even /64 DNSxLs will be expensive ! /64 lists will have 2^32 times more entries than IPv4 lists. /64 lists can *theoretically*

Re: Honeypot email addresses

2014-11-26 Thread Kevin A. McGrail
On 11/26/2014 1:53 AM, Matthias Leisi wrote: On Wed, Nov 26, 2014 at 3:45 AM, Franck Martin fmar...@linkedin.com mailto:fmar...@linkedin.com wrote: You may want to read https://www.m3aawg.org/sites/maawg/files/news/M3AAWG_Inbound_IPv6_Policy_Issues-2014-09.pdf I'm well aware of

Re: Honeypot email addresses

2014-11-26 Thread David F. Skoll
On Wed, 26 Nov 2014 07:53:20 +0100 Matthias Leisi matth...@leisi.net wrote: Yes, such an approach might initially double the amount of queries and has an increased risk of not getting DNS responses, but on the other hand such tree information can be nicely cached with reasonably long TTLs,

Re: Honeypot email addresses

2014-11-26 Thread Reindl Harald
Am 26.11.2014 um 14:06 schrieb David F. Skoll: On Wed, 26 Nov 2014 07:53:20 +0100 Matthias Leisi matth...@leisi.net wrote: Yes, such an approach might initially double the amount of queries and has an increased risk of not getting DNS responses, but on the other hand such tree information can

Re: Honeypot email addresses

2014-11-26 Thread David F. Skoll
On Wed, 26 Nov 2014 14:10:04 +0100 Reindl Harald h.rei...@thelounge.net wrote: the unbound stats on our inbound MX saying the opposite How much of those are DNSBL lookups against DNSBLs with short TTLs? Regards, David.

Re: Honeypot email addresses

2014-11-26 Thread Reindl Harald
Am 26.11.2014 um 15:07 schrieb David F. Skoll: On Wed, 26 Nov 2014 14:10:04 +0100 Reindl Harald h.rei...@thelounge.net wrote: the unbound stats on our inbound MX saying the opposite How much of those are DNSBL lookups against DNSBLs with short TTLs? below the stats by RBL and keep in mind

Re: Honeypot email addresses

2014-11-26 Thread Franck Martin
On Nov 26, 2014, at 2:15 AM, Kevin A. McGrail kmcgr...@pccc.commailto:kmcgr...@pccc.com wrote: On 11/26/2014 1:53 AM, Matthias Leisi wrote: On Wed, Nov 26, 2014 at 3:45 AM, Franck Martin fmar...@linkedin.commailto:fmar...@linkedin.com wrote: You may want to read

Re: Honeypot email addresses

2014-11-26 Thread Matthias Leisi
On Wed, Nov 26, 2014 at 6:05 PM, Franck Martin fmar...@linkedin.com wrote: As for /64, yes there are hosting providers that have all their customers in the same /64 and other cases like this where infrastructure is not separated by /64 boundaries. I think IPv6 blocking list will be more last

Re: Honeypot email addresses

2014-11-26 Thread Reindl Harald
Am 26.11.2014 um 19:45 schrieb Franck Martin: On Nov 26, 2014, at 10:19 AM, Matthias Leisi matth...@leisi.net mailto:matth...@leisi.net wrote: On Wed, Nov 26, 2014 at 6:05 PM, Franck Martin fmar...@linkedin.com mailto:fmar...@linkedin.com wrote: As for /64, yes there are hosting

Re: Honeypot email addresses

2014-11-26 Thread Christian Grunfeld
even /64 DNSxLs will be expensive ! /64 lists will have 2^32 times more entries than IPv4 lists. 2014-11-26 15:45 GMT-03:00 Franck Martin fmar...@linkedin.com: On Nov 26, 2014, at 10:19 AM, Matthias Leisi matth...@leisi.net wrote: On Wed, Nov 26, 2014 at 6:05 PM, Franck Martin

Re: Honeypot email addresses

2014-11-26 Thread John Wilcock
Le 26/11/2014 19:56, Christian Grunfeld a écrit : even /64 DNSxLs will be expensive ! /64 lists will have 2^32 times more entries than IPv4 lists. /64 lists can *theoretically* have that many entries, yes, but it'll be a very long time before there are 2^32 times as many *allocated* IPv6

Re: Honeypot email addresses

2014-11-25 Thread Ted Mittelstaedt
On 11/24/2014 12:30 PM, Reindl Harald wrote: the world is not black and white and by *blindly* blacklist you gain nothing than damage This is absolutely correct, Reindl. It is why ALL domain names that MY COMPANY accepts mail from HAVE WEBSITES on them. You send email to

Re: Honeypot email addresses

2014-11-25 Thread Reindl Harald
Am 25.11.2014 um 18:53 schrieb Ted Mittelstaedt: I see people like you every day who are CONVINCED they can deal with greyness in the world by a machine. Poor fools that they are, they are the ones who construct elaborate voice auto responder voice trees (press 1 for this press 2 for that) as

Re: Honeypot email addresses

2014-11-25 Thread Reindl Harald
Am 25.11.2014 um 18:53 schrieb Ted Mittelstaedt: It is why ALL domain names that MY COMPANY accepts mail from HAVE WEBSITES on them don't get me wrong but that is just stupid a website was enver, is not and will never be a prerequisite for a mail-domain (or mail subdomain) nor is it a MX

Re: Honeypot email addresses

2014-11-25 Thread Ted Mittelstaedt
On 11/25/2014 11:24 AM, Reindl Harald wrote: Am 25.11.2014 um 18:53 schrieb Ted Mittelstaedt: It is why ALL domain names that MY COMPANY accepts mail from HAVE WEBSITES on them don't get me wrong but that is just stupid a website was enver, is not and will never be a prerequisite for a

Re: Honeypot email addresses

2014-11-25 Thread Ted Mittelstaedt
On 11/25/2014 11:21 AM, Reindl Harald wrote: Am 25.11.2014 um 18:53 schrieb Ted Mittelstaedt: I see people like you every day who are CONVINCED they can deal with greyness in the world by a machine. Poor fools that they are, they are the ones who construct elaborate voice auto responder

Re: Honeypot email addresses

2014-11-25 Thread Franck Martin
On Nov 22, 2014, at 4:15 AM, Aban Dokht ml...@abando.de wrote: On 21.11.2014 18:17, Matthias Leisi wrote: We are about to simplify the reporting we previously had, and want to push this especially to detect spam coming in over IPv6. We also have honeypots with enabled IPv6 MX, but SPAM

Re: Honeypot email addresses

2014-11-25 Thread Matthias Leisi
On Wed, Nov 26, 2014 at 3:45 AM, Franck Martin fmar...@linkedin.com wrote: You may want to read https://www.m3aawg.org/sites/maawg/files/news/M3AAWG_Inbound_IPv6_Policy_Issues-2014-09.pdf I'm well aware of the issues of cache efficiency and query volumes due to the vast address space. The

Re: Honeypot email addresses

2014-11-24 Thread RW
On Sat, 22 Nov 2014 15:32:26 -0600 (CST) Dave Funk wrote: Another way to seed spamtrap addresses is to make up some and then feed them into unsubscribe links in spam sent to regular users. I've got some of those I started that way 15 years ago and they're still going strong. Isn't there a

Re: Honeypot email addresses

2014-11-24 Thread Reindl Harald
Am 24.11.2014 um 13:51 schrieb RW: On Sat, 22 Nov 2014 15:32:26 -0600 (CST) Dave Funk wrote: Another way to seed spamtrap addresses is to make up some and then feed them into unsubscribe links in spam sent to regular users. I've got some of those I started that way 15 years ago and they're

Re: Honeypot email addresses

2014-11-24 Thread jdebert
On Sun, 23 Nov 2014 11:12:58 +0100 Aban Dokht ml...@abando.de wrote: From my opinion, this is not a good idea as you are going to put those servers onto your list. This way you'll blacklist bulk senders, with badly configured or even not bounce management, but they are not all spammers!

Re: Honeypot email addresses

2014-11-24 Thread Reindl Harald
Am 24.11.2014 um 18:49 schrieb jdebert: On Sun, 23 Nov 2014 11:12:58 +0100 Aban Dokht ml...@abando.de wrote: From my opinion, this is not a good idea as you are going to put those servers onto your list. This way you'll blacklist bulk senders, with badly configured or even not bounce

Re: Honeypot email addresses

2014-11-24 Thread Noel Butler
On 25/11/2014 03:49, jdebert wrote: No, let's not accomodate incompetent bulk mailers. It has never worked before. All it does is allow them to continue to make excuses to fail to do their job properly and it attracts spammers, politicians and other such ilk. Spammers always take

Re: Honeypot email addresses

2014-11-24 Thread David B Funk
On Sun, 23 Nov 2014, Reindl Harald wrote: Am 23.11.2014 um 11:17 schrieb Aban Dokht: On 22.11.2014 22:32, Dave Funk wrote: Another way to seed spamtrap addresses is to make up some and then feed them into unsubscribe links in spam sent to regular users. I've got some of those I started that

Re: Honeypot email addresses

2014-11-23 Thread Aban Dokht
On 22.11.2014 22:05, Ted Mittelstaedt wrote: That's a lot of work, there's a much easier way Just search your /var/log/maillog for user unknown messages, and create email addresses for the unknown users which are showing up multiple times over multiple days. It's a great trick because it

Re: Honeypot email addresses

2014-11-23 Thread Aban Dokht
On 22.11.2014 22:32, Dave Funk wrote: Another way to seed spamtrap addresses is to make up some and then feed them into unsubscribe links in spam sent to regular users. I've got some of those I started that way 15 years ago and they're still going strong. Also no good idea, as some of them

Re: Honeypot email addresses

2014-11-23 Thread Reindl Harald
Am 23.11.2014 um 11:17 schrieb Aban Dokht: On 22.11.2014 22:32, Dave Funk wrote: Another way to seed spamtrap addresses is to make up some and then feed them into unsubscribe links in spam sent to regular users. I've got some of those I started that way 15 years ago and they're still going

Re: Honeypot email addresses

2014-11-23 Thread Noel Butler
On 23/11/2014 20:12, Aban Dokht wrote: On 22.11.2014 22:05, Ted Mittelstaedt wrote: domain - I've seen user unknown messages for users who cancelled mailboxes on the domain over a decade ago. I figure 10 years of getting user unknown messages is long enough for any real humans and for

Re: Honeypot email addresses

2014-11-23 Thread Ted Mittelstaedt
On 11/23/2014 2:12 AM, Aban Dokht wrote: On 22.11.2014 22:05, Ted Mittelstaedt wrote: That's a lot of work, there's a much easier way Just search your /var/log/maillog for user unknown messages, and create email addresses for the unknown users which are showing up multiple times over

Re: Honeypot email addresses

2014-11-23 Thread Ted Mittelstaedt
On 11/23/2014 2:17 AM, Aban Dokht wrote: On 22.11.2014 22:32, Dave Funk wrote: Another way to seed spamtrap addresses is to make up some and then feed them into unsubscribe links in spam sent to regular users. I've got some of those I started that way 15 years ago and they're still going

Re: Honeypot email addresses

2014-11-22 Thread Aban Dokht
On 21.11.2014 18:17, Matthias Leisi wrote: We are about to simplify the reporting we previously had, and want to push this especially to detect spam coming in over IPv6. We also have honeypots with enabled IPv6 MX, but SPAM over IPv6 is very, very seldom. But pushing IPv6 anti spam is a

IPv6 mail (was Re: Honeypot email addresses)

2014-11-22 Thread David F. Skoll
On Sat, 22 Nov 2014 13:15:29 +0100 Aban Dokht ml...@abando.de wrote: We also have honeypots with enabled IPv6 MX, but SPAM over IPv6 is very, very seldom. We keep reputation reports from a large number of mailboxes and they break down roughly as follows: IPv4 mail: about 475 million reports

Re: Honeypot email addresses

2014-11-22 Thread Ted Mittelstaedt
That's a lot of work, there's a much easier way Just search your /var/log/maillog for user unknown messages, and create email addresses for the unknown users which are showing up multiple times over multiple days. It's a great trick because it gets spammers who already have email addresses in

Re: Honeypot email addresses

2014-11-22 Thread Dave Funk
Another way to seed spamtrap addresses is to make up some and then feed them into unsubscribe links in spam sent to regular users. I've got some of those I started that way 15 years ago and they're still going strong. On Sat, 22 Nov 2014, Ted Mittelstaedt wrote: That's a lot of work, there's

Re: Honeypot email addresses

2014-11-21 Thread Reindl Harald
Am 21.11.2014 um 17:10 schrieb Joe Quinn: We are setting up some honeypot email addresses, and were wondering if anyone here had tips on how to include those addresses on webpages and other places. We're currently going with a pretty simple !-- honey...@example.com -- HTML comment. Is that too

Re: Honeypot email addresses

2014-11-21 Thread John Hardin
On Fri, 21 Nov 2014, Reindl Harald wrote: Am 21.11.2014 um 17:10 schrieb Joe Quinn: We are setting up some honeypot email addresses, and were wondering if anyone here had tips on how to include those addresses on webpages and other places. We're currently going with a pretty simple !--

Re: Honeypot email addresses

2014-11-21 Thread David F. Skoll
On Fri, 21 Nov 2014 08:43:22 -0800 (PST) John Hardin jhar...@impsec.org wrote: On a public mailng list isn't a great place to discuss such tactics... I suspect spammers are dumb and will just vacuum up any address they can find. Also, the scammers who sell CDs with millions of email addresses

Re: Honeypot email addresses

2014-11-21 Thread Matthias Leisi
Btw., the dnswl.org project is happy to receive whatever spamtrap hits. We are about to simplify the reporting we previously had, and want to push this especially to detect spam coming in over IPv6. Details off list :) -- Matthias

Re: Honeypot Email Addresses

2008-08-28 Thread Michelle Konzack
Am 2008-08-18 13:46:56, schrieb [EMAIL PROTECTED]: Hello, Long time SA user here. I have googled much for an answer for this. I have a few email addresses that are clearly now spam only. I would like to blacklist them and use them as a honeypot to help train my Bayes through autolearn, does

Re: Honeypot Email Addresses

2008-08-19 Thread James Wilkinson
jdow wrote: I believe you could blacklist_from. That would train SpamAssassin's Bayes filter - Or not. Both USER_IN_BLACKLIST and USER_IN_BLACKLIST_TO have tflags set to userconf noautolearn (in current 3.2.5 rules), which means that SpamAssassin will ignore their scores when deciding whether

Re: Honeypot Email Addresses

2008-08-18 Thread John Hardin
On Mon, 18 Aug 2008, [EMAIL PROTECTED] wrote: Long time SA user here. I have googled much for an answer for this. I have a few email addresses that are clearly now spam only. I would like to blacklist them and use them as a honeypot to help train my Bayes through autolearn, does anyone have

Re: Honeypot Email Addresses

2008-08-18 Thread rahlquist
On Mon, Aug 18, 2008 at 1:59 PM, John Hardin [EMAIL PROTECTED] wrote: On Mon, 18 Aug 2008, [EMAIL PROTECTED] wrote: Long time SA user here. I have googled much for an answer for this. I have a few email addresses that are clearly now spam only. I would like to blacklist them and use them as

RE: Honeypot Email Addresses

2008-08-18 Thread Bowie Bailey
[EMAIL PROTECTED] wrote: On Mon, Aug 18, 2008 at 1:59 PM, John Hardin [EMAIL PROTECTED] wrote: On Mon, 18 Aug 2008, [EMAIL PROTECTED] wrote: Long time SA user here. I have googled much for an answer for this. I have a few email addresses that are clearly now spam only. I would

Re: Honeypot Email Addresses

2008-08-18 Thread Kevin Parris
Maybe this is a completely crazy notion, but if the mail for these accounts is in fact actually flowing into/through your system, and being sent through SA already, you might create a rule so that any item with one of those addresses in it gets a high score so in turn your auto-learn threshold

Re: Honeypot Email Addresses

2008-08-18 Thread Ron Smith
Yes, because rather than use a honeypot, you can forward as an attachment to Spamcop. SA uses Spamcop in its scoring so indirectly you improve your SA scoring accuracy if you do that. I strongly recommend all our users do that also. Ron Smith [EMAIL PROTECTED] Having an email problem is

Re: Honeypot Email Addresses

2008-08-18 Thread jdow
From: [EMAIL PROTECTED] Sent: Monday, 2008, August 18 11:08 On Mon, Aug 18, 2008 at 1:59 PM, John Hardin [EMAIL PROTECTED] wrote: On Mon, 18 Aug 2008, [EMAIL PROTECTED] wrote: Long time SA user here. I have googled much for an answer for this. I have a few email addresses that are