Re: Fake amavisd-new header lines in recent spam

2014-11-09 Thread Axb
On 11/10/2014 02:32 AM, Rich Wales wrote: This *AXB_XRCVD_8B8* rule seems excessively broad to me. It seems it could wrongly catch e-mail that was legitimately Amavis-scanned on its way out by a server whose name just happened to be eight characters long. I think a better rule would take advant

Re: Fake amavisd-new header lines in recent spam

2014-11-09 Thread Rich Wales
This *AXB_XRCVD_8B8* rule seems excessively broad to me. It seems it could wrongly catch e-mail that was legitimately Amavis-scanned on its way out by a server whose name just happened to be eight characters long. I think a better rule would take advantage of other anomalies with these fake heade

Re: URIBL_RHS_DOB #fail

2014-11-09 Thread Alex Regan
Hi, * 1.5 URIBL_RHS_DOB Contains an URI of a new domain (Day Old * [URIs: bestwestern.com] I looked around for a place to report an FP, but also thought everyone else should know about this, since it's so obviously incorrect. Their whois looks like the record was updated on the

Re: URIBL_RHS_DOB #fail

2014-11-09 Thread Axb
On 11/09/2014 11:51 PM, Dave Funk wrote: On Sun, 9 Nov 2014, Axb wrote: On 11/09/2014 09:51 PM, Alex Regan wrote: Hi guys, One of my user's hotel reservations almost got tagged incorrectly: * 1.5 URIBL_RHS_DOB Contains an URI of a new domain (Day Old Bread) * [URIs: bestwester

Re: URIBL_RHS_DOB #fail

2014-11-09 Thread Dave Funk
On Sun, 9 Nov 2014, Axb wrote: On 11/09/2014 09:51 PM, Alex Regan wrote: Hi guys, One of my user's hotel reservations almost got tagged incorrectly: * 1.5 URIBL_RHS_DOB Contains an URI of a new domain (Day Old Bread) * [URIs: bestwestern.com] I looked around for a place to rep

Re: URIBL_RHS_DOB #fail

2014-11-09 Thread Axb
On 11/09/2014 11:20 PM, Axb wrote: On 11/09/2014 09:51 PM, Alex Regan wrote: Hi guys, One of my user's hotel reservations almost got tagged incorrectly: * 1.5 URIBL_RHS_DOB Contains an URI of a new domain (Day Old Bread) * [URIs: bestwestern.com] I looked around for a place to

Re: URIBL_RHS_DOB #fail

2014-11-09 Thread Axb
On 11/09/2014 09:51 PM, Alex Regan wrote: Hi guys, One of my user's hotel reservations almost got tagged incorrectly: * 1.5 URIBL_RHS_DOB Contains an URI of a new domain (Day Old Bread) * [URIs: bestwestern.com] I looked around for a place to report an FP, but also thought every

RE: Fake amavisd-new header lines in recent spam

2014-11-09 Thread Marieke Janssen
>Yeah they tried a similar trick with MailScanner years ago, basically dont >trust someone elses mail to tell the truth as per usual You are right about trust, but in this case we can detect fake amavis-headers and score bigtime in a safe way. And from what I can tell from my logs it hits

Re: Fake amavisd-new header lines in recent spam

2014-11-09 Thread Martin Hepworth
Yeah they tried a similar trick with MailScanner years ago, basically dont trust someone elses mail to tell the truth as per usual On Sunday, 9 November 2014, Marieke Janssen wrote: > >hitting like crazy and safe > > Confirmed, thank you. > > /MJ > > -- -- Martin Hepworth, CISSP Oxford, UK

RE: Fake amavisd-new header lines in recent spam

2014-11-09 Thread Marieke Janssen
>hitting like crazy and safe Confirmed, thank you. /MJ

URIBL_RHS_DOB #fail

2014-11-09 Thread Alex Regan
Hi guys, One of my user's hotel reservations almost got tagged incorrectly: * 1.5 URIBL_RHS_DOB Contains an URI of a new domain (Day Old Bread) * [URIs: bestwestern.com] I looked around for a place to report an FP, but also thought everyone else should know about this, since it's

Re: Fake amavisd-new header lines in recent spam

2014-11-09 Thread Axb
On 11/09/2014 06:59 PM, Axb wrote: On 11/09/2014 06:45 PM, Rich Wales wrote: Hi. Recently, I've noticed that some spam arriving on my mail server contains a "Received:" header line citing amavisd-new -- possibly an attempt to trick spam filters into concluding the message has already been scann

Re: Fake amavisd-new header lines in recent spam

2014-11-09 Thread Axb
On 11/09/2014 06:45 PM, Rich Wales wrote: Hi. Recently, I've noticed that some spam arriving on my mail server contains a "Received:" header line citing amavisd-new -- possibly an attempt to trick spam filters into concluding the message has already been scanned and is presumably free of problem

Fake amavisd-new header lines in recent spam

2014-11-09 Thread Rich Wales
Hi. Recently, I've noticed that some spam arriving on my mail server contains a "Received:" header line citing amavisd-new -- possibly an attempt to trick spam filters into concluding the message has already been scanned and is presumably free of problems. Here is an example of one of these -- t

Re: FPs on URI_HEX & NUMERIC_HTTP_ADDR

2014-11-09 Thread David B Funk
On Sun, 9 Nov 2014, David B Funk wrote: For NUMERIC_HTTP_ADDR the rule is: /^https?\:\/\/\d{7}/is If that pattern were terminated like: /^https?\:\/\/\d{7}(?::\d+)?(?:\/|$)/is it should prevent the FPs (hopefully with out destroying its effectiveness) Oops, for that new formulation it would a

FPs on URI_HEX & NUMERIC_HTTP_ADDR

2014-11-09 Thread David B Funk
Recently I've seen a bunch of FPs on URI_HEX & NUMERIC_HTTP_ADDR thanks to some URLs that look like: https : // 4490379 . fls . doubleclick . net / activityi (extra spaces my addition, remove to see actual URL) These were embedded in some amtrack ticket confirmation messages. Looking at my logs,

Re: OT: parking-nameservers

2014-11-09 Thread Axb
On 11/09/2014 08:03 AM, Robert Schetterer wrote: Am 08.11.2014 um 21:11 schrieb Reindl Harald: slightly OT but don't know a better list - has somebody a larger list of parking-only nameservers than below? sadly you find easily parking companies but not the dedicated nameservers or a clear inform