Re: Bank fraud phish

2017-10-25 Thread Rupert Gallagher
The new rule "From:name domain mismatches From:addr domain" catches the given spample. Sent from ProtonMail Mobile On Wed, Oct 25, 2017 at 6:00 PM, Alex wrote: > On Tue, Oct 24, 2017 at 2:49 PM, David Jones wrote: > On 10/24/2017 01:32 PM, > Alex wrote: >> >> Hi all, I'm wondering if someone

Re: Bank fraud phish

2017-10-25 Thread Rupert Gallagher
> The DMARC standard says that EITHER (only takes one) SPF must pass and align with the envelope-from domain OR DKIM must pass and align with the the From: header domain. The relevant DNS R allows requiring both SPF and DKIM must pass, which is what we do in our own setup. When checking for SPAM

Re: New rule --- From:name domain mismatches From:addr domain

2017-10-25 Thread Rupert Gallagher
Empty Message

Re: Bank fraud phish

2017-10-25 Thread Bill Cole
On 25 Oct 2017, at 12:00, Alex wrote: Is the only way to submit to spamcop to use their custom email address assigned to the account, or is there some command-line way to do it? For all the details of various ways to send mail from the command line, see the man pages for mail, mailx, and/or s

RE: MSBL Email Blocklist (EBL) SA usage query

2017-10-25 Thread Kevin Miller
Implemented it on one of my tier 2 mx hosts. No hits so far, but I’m not sure if it’s working or not. Running spamassasin –lint returns a warning: root@mx2:/etc/spamassassin# spamassassin --lint Oct 25 09:39:35.403 [15095] warn: Use of uninitialized value in regexp compilation at /etc/spama

Re: Bank fraud phish

2017-10-25 Thread Larry Rosenman
On Wed, Oct 25, 2017 at 11:52:17AM -0500, David Jones wrote: > I have a script (see below) watching a "SpamCop" folder that sends it to my > custom SpamCop address as an attachment using mutt. All I have to do is > drag-n-drop into that folder and the submission is automated. I wait a > couple of

Re: Bank fraud phish

2017-10-25 Thread David Jones
On 10/25/2017 11:00 AM, Alex wrote: On Tue, Oct 24, 2017 at 2:49 PM, David Jones wrote: On 10/24/2017 01:32 PM, Alex wrote: Hi all, I'm wondering if someone has some ideas to handle bank fraud phishing emails, and in particular this one: https://pastebin.com/wxFtKK16 It doesn't hit bayes99

Re: Bank fraud phish

2017-10-25 Thread Alex
On Tue, Oct 24, 2017 at 2:49 PM, David Jones wrote: > On 10/24/2017 01:32 PM, Alex wrote: >> >> Hi all, I'm wondering if someone has some ideas to handle bank fraud >> phishing emails, and in particular this one: >> >> https://pastebin.com/wxFtKK16 >> >> It doesn't hit bayes99 because we haven't s

Re: New rule --- From:name domain mismatches From:addr domain

2017-10-25 Thread Merijn van den Kroonenberg
> > This may not be representative but I found that the rest of of the FPs > could have been avoided with > > && (FREEMAIL_FROM || !DKIM_VALID_AU) > > the spam rarely hits DKIM_VALID_AU unless it's freemail. Actually a decent portion of spam is sent with DKIM_VALID_AU, either from spammer owned

Re: Bank fraud phish

2017-10-25 Thread RW
On Wed, 25 Oct 2017 10:39:54 -0400 Rupert Gallagher wrote: > > Original Message > > Subject: Re: Bank fraud phish > > Local Time: 25 October 2017 4:18 PM > > UTC Time: 25 October 2017 14:18 > > From: rwmailli...@googlemail.com > > To: users@spamassassin.apache.org > > > > On Wed,

Re: New rule --- From:name domain mismatches From:addr domain

2017-10-25 Thread RW
On Wed, 25 Oct 2017 09:26:37 -0400 Rupert Gallagher wrote: > This is my rule for a case that has also been discussed in this list. > I wrote it two weeks ago, and it works so far. > > This part goes into your local.cf: > > header __F_DM1 eval:from_domains_mismatch() I wrote something similar

Re: Bank fraud phish

2017-10-25 Thread David Jones
On 10/25/2017 09:39 AM, Rupert Gallagher wrote: Original Message Subject: Re: Bank fraud phish Local Time: 25 October 2017 4:18 PM UTC Time: 25 October 2017 14:18 From: rwmailli...@googlemail.com To: users@spamassassin.apache.org On Wed, 25 Oct 2017 09:16:50 -0400 Rupert Gall

Re: Bank fraud phish

2017-10-25 Thread Benny Pedersen
On 25. okt. 2017 16.18.53 RW wrote: If it did have a record it would pass DMARC because it doesn't have an aligned DKIM pass, but does have an aligned SPF pass. Spf does not align om mailinglists, since DMARC Will fail om Missing dkim

Re: Bank fraud phish

2017-10-25 Thread Rupert Gallagher
> Original Message > Subject: Re: Bank fraud phish > Local Time: 25 October 2017 4:18 PM > UTC Time: 25 October 2017 14:18 > From: rwmailli...@googlemail.com > To: users@spamassassin.apache.org > > On Wed, 25 Oct 2017 09:16:50 -0400 > Rupert Gallagher wrote: > >> The e-mail is sti

Your header "To: undisclosed-recipients:;" is RFC 822 compliant

2017-10-25 Thread Rupert Gallagher
Reading RFC 822 again, I spotted the endorsement for the case at hand. The named header is compliant to the standard, as quoted below. However, the same standard does not compel a server to accept e-mail sent to undisclosed recipients: we are free to reject it by local policy.  6.2.6.  MULTIP

Re: Bank fraud phish

2017-10-25 Thread RW
On Wed, 25 Oct 2017 09:16:50 -0400 Rupert Gallagher wrote: > The e-mail is still flagged as SPAM here. > - DMARC fails, because it passes DKIM, but fails SPF. This is wrong in every detail. It can't fail or pass DMARC because the domain welchtitles.com doesn't have a DMARC record. If it did

Re: Bank fraud phish

2017-10-25 Thread Rupert Gallagher
> Original Message > Subject: Re: Bank fraud phish > Local Time: 25 October 2017 3:25 PM > UTC Time: 25 October 2017 13:25 > From: h.rei...@thelounge.net > To: users@spamassassin.apache.org, r...@protonmail.com > > Am 25.10.2017 um 15:20 schrieb Reindl Harald: > >> Am 25.10.2017 u

Re: Bank fraud phish

2017-10-25 Thread Rupert Gallagher
Original Message Subject: Re: Bank fraud phishLocal Time: 25 October 2017 3:20 PMUTC Time: 25 October 2017 13:20From: h.reindl@thelounge.netTo: users@spamassassin.apache.org, r...@protonmail.com > Am 25.10.2017 um 15:16 schrieb Rupert Gallagher: > >> MID domain does not match th

New rule --- From:name domain mismatches From:addr domain

2017-10-25 Thread Rupert Gallagher
This is my rule for a case that has also been discussed in this list. I wrote it two weeks ago, and it works so far. This part goes into your local.cf: header __F_DM1 eval:from_domains_mismatch() header __F_DM2 From:addr =~ /\@(exception1|exception2)(\.[^\.]+)?\.it/ meta F_DM ( __F_DM1

Re: Bank fraud phish

2017-10-25 Thread Rupert Gallagher
I checked from the w.s. instead of the phone, and this is the response. The MID I observed from the iPhone is actually part-of a different header of the same e-mail. The true MID is well-formed and RFC compliant: > Message-ID: > The e-mail is still flagged as SPAM here. - DMARC fails, because

Re: Bank fraud phish

2017-10-25 Thread David Jones
On 10/24/2017 07:41 PM, Alex wrote: On Tue, Oct 24, 2017 at 2:49 PM, David Jones wrote: On 10/24/2017 01:32 PM, Alex wrote: Hi all, I'm wondering if someone has some ideas to handle bank fraud phishing emails, and in particular this one: https://pastebin.com/wxFtKK16 It doesn't hit bayes99

Re: Bank fraud phish

2017-10-25 Thread RW
On Wed, 25 Oct 2017 11:50:19 +0100 Markus Clardy wrote: > That isn't the Message-Id, that is > the X-MS-Exchange-CrossTenant-Network-Message-Id... The Message-Id is > compliant. > As is X-MS-Exchange-CrossTenant-Network-Message-Id in the original > On Wed, Oct 25, 2017 at 11:43 AM, Rupert Gall

Re: Bank fraud phish

2017-10-25 Thread Markus Clardy
That isn't the Message-Id, that is the X-MS-Exchange-CrossTenant-Network-Message-Id... The Message-Id is compliant. On Wed, Oct 25, 2017 at 11:43 AM, Rupert Gallagher wrote: > The raw e-mail in pastebin returns a non-well-formed Message-ID. I attach > a photo of what I see. > > Sent from ProtonM

Re: Bank fraud phish

2017-10-25 Thread Rupert Gallagher
The raw e-mail in pastebin returns a non-well-formed Message-ID. I attach a photo of what I see. Sent from ProtonMail Mobile On Tue, Oct 24, 2017 at 10:05 PM, John Hardin wrote: > On Tue, 24 Oct 2017, Rupert Gallagher wrote: > Easy one. The Message-ID is > not well formed / RFC compliant. We

Re: Bank fraud phish

2017-10-25 Thread Rupert Gallagher
We reject all e-mails with non-compliant Message-ID. Sent from ProtonMail Mobile On Tue, Oct 24, 2017 at 9:59 PM, David Jones wrote: > On 10/24/2017 02:54 PM, Rupert Gallagher wrote: > Easy one. The Message-ID is > not well formed / RFC compliant. We reject > such junk upfront. > > Sent from

Re: Bank fraud phish

2017-10-25 Thread Pedro David Marco
Probably it would be a good idea to have a list of potential "phishing-able" important companies... just as there is one for freemailers.. very greedy, i know... :-) ---Pedro

Re: Bank fraud phish

2017-10-25 Thread Merijn van den Kroonenberg
> Hi all, I'm wondering if someone has some ideas to handle bank fraud > phishing emails, and in particular this one: > > https://pastebin.com/wxFtKK16 > > It doesn't hit bayes99 because we haven't seen one before, and txrep > subtracts points. It also doesn't hit any blacklists. > > Ideas for bloc