Re: spoofing mail

2018-12-01 Thread David Jones
On 12/1/18 8:31 AM, Matus UHLAR - fantomas wrote: >> El vie., 30 nov. 2018 a las 3:06, Matus UHLAR - fantomas >> () escribió: >>> And, yes, there could be rule that catches message-id added by internal >>> server. Note that: >>> - Message-ID is not required (has SHOULD in RFC) >>> - many

Re: spoofing mail

2018-12-01 Thread Matus UHLAR - fantomas
El vie., 30 nov. 2018 a las 3:06, Matus UHLAR - fantomas () escribió: And, yes, there could be rule that catches message-id added by internal server. Note that: - Message-ID is not required (has SHOULD in RFC) - many mailservers add message-id if it doesn't exist. >>

Re: spoofing mail

2018-12-01 Thread Matus UHLAR - fantomas
On 29.11.18 09:30, Rupert Gallagher wrote: Message-ID and To have the same domain, but From does not. You should have never received that mail. On 30.11.18 21:09, Rupert Gallagher wrote: Although the RFC allows muas not to include the mid, the same RFC does not mandate mtas to accept them.

Re: spoofing mail

2018-11-30 Thread John Hardin
On Fri, 30 Nov 2018, Rupert Gallagher wrote: Although the RFC allows muas not to include the mid, the same RFC does not mandate mtas to accept them. Since 100% of such emails on our records are spam, then we reject them upfront. ...and if you're adopting that policy, the configure your MTA

Re: spoofing mail

2018-11-30 Thread Rupert Gallagher
Although the RFC allows muas not to include the mid, the same RFC does not mandate mtas to accept them. Since 100% of such emails on our records are spam, then we reject them upfront. I understand that spammers and scummers hate our policy, but hey, who cares, right? Our inbox, our rules. On

Re: spoofing mail

2018-11-30 Thread Rick Gutierrez
El vie., 30 nov. 2018 a las 3:06, Matus UHLAR - fantomas () escribió: > And, yes, there could be rule that catches message-id added by internal > server. Note that: > - Message-ID is not required (has SHOULD in RFC) > - many mailservers add message-id if it doesn't exist. > > >> > >>

Re: spoofing mail

2018-11-30 Thread Matus UHLAR - fantomas
On 29.11.18 09:30, Rupert Gallagher wrote: Message-ID and To have the same domain, but From does not. You should have never received that mail. this happens when message-id is added by mailserver of the recipient. Should hit MSGID_FROM_MTA_HEADER. And, yes, there could be rule that catches

Re: spoofing mail

2018-11-29 Thread Rick Gutierrez
El mié., 28 nov. 2018 a las 19:08, Reindl Harald () escribió: > > > > > these are the files that increase the score of the rule , If I'm > > missing someone, please someone guide me or update me if I'm doing it > > wrong. > > > > /var/lib/spamassassin/3.004001/updates_spamassassin_org/72_scores.cf

Re: spoofing mail

2018-11-29 Thread Rick Gutierrez
El jue., 29 nov. 2018 a las 10:18, David Jones () escribió: > > On 11/29/18 9:44 AM, Paul Stead wrote: > > I can't find MSGID_BELONGS_RECIPIENT in the standard distribution - I think > > this might be because my Plugin is installed. > > > > Another to get into branch? > > > > I think this one is

Re: spoofing mail

2018-11-29 Thread David Jones
On 11/29/18 9:44 AM, Paul Stead wrote: > I can't find MSGID_BELONGS_RECIPIENT in the standard distribution - I think > this might be because my Plugin is installed. > > Another to get into branch? > I think this one is worthy of consideration to be included in the core SA ruleset.

Re: spoofing mail

2018-11-29 Thread Rick Gutierrez
El jue., 29 nov. 2018 a las 7:47, David Jones () escribió: > > Here's what my mail filters say. You can ignore the DKIM_INVALID > because the body was intentionally modified (redacted) to post to pastbin. > > X-Spam-Status: Yes, score=11.0 required=5.0 tests=BAYES_99,DKIM_INVALID, >

Re: spoofing mail

2018-11-29 Thread Paul Stead
I can't find MSGID_BELONGS_RECIPIENT in the standard distribution - I think this might be because my Plugin is installed. Another to get into branch? -- On 29/11/2018, 13:47, "David Jones" wrote: On 11/29/18 3:30 AM, Rupert Gallagher wrote: > Message-ID and To have the same domain,

Re: spoofing mail

2018-11-29 Thread David Jones
On 11/29/18 3:30 AM, Rupert Gallagher wrote: > Message-ID and To have the same domain, but From does not. You should > have never received that mail. > Here's what my mail filters say. You can ignore the DKIM_INVALID because the body was intentionally modified (redacted) to post to pastbin.

Re: spoofing mail

2018-11-29 Thread Rupert Gallagher
Message-ID and To have the same domain, but From does not. You should have never received that mail. On Wed, Nov 28, 2018 at 19:15, Rick Gutierrez wrote: > El mié., 28 nov. 2018 a las 6:03, Christian Grunfeld > () escribió: >> >> Hi, >> >> this is a logcould you paste the email headers? >>

Re: spoofing mail

2018-11-28 Thread Rick Gutierrez
in days past when I start this type of messages / spammer increase the score of this rule HEADER_FROM_DIFFERENT_DOMAINS=0.001 , add the score to 3, but keep the default 0.001 , update my spamassassin once a day, I'm using version 3.4.1. these are the files that increase the score of the rule ,

Re: spoofing mail

2018-11-28 Thread Rick Gutierrez
El mié., 28 nov. 2018 a las 6:03, Christian Grunfeld () escribió: > > Hi, > > this is a logcould you paste the email headers? > > cheers > I do not know if it is useful, the amavisd + spamassassin I have it in front of the mail server. https://pastebin.com/ktMUDLps I appreciate any comments

Re: spoofing mail

2018-11-28 Thread Christian Grunfeld
Hi, this is a logcould you paste the email headers? cheers El mar., 27 nov. 2018 a las 22:57, Rick Gutierrez () escribió: > El mar., 27 nov. 2018 a las 16:22, David Jones () > escribió: > > > > > Can you send a copy of the original email lightly redacted via pastebin > > so I can run it

Re: spoofing mail

2018-11-27 Thread Dominic Raferd
On Wed, 28 Nov 2018 at 01:57, Rick Gutierrez wrote: > El mar., 27 nov. 2018 a las 16:22, David Jones () > escribió: > > > > > Can you send a copy of the original email lightly redacted via pastebin > > so I can run it through my filters to give some pointers? > > > > -- > > David Jones > > Hi

Re: spoofing mail

2018-11-27 Thread Rick Gutierrez
El mar., 27 nov. 2018 a las 16:22, David Jones () escribió: > > Can you send a copy of the original email lightly redacted via pastebin > so I can run it through my filters to give some pointers? > > -- > David Jones Hi David , the email is very simple, but I attach it in the following link

Re: spoofing mail

2018-11-27 Thread David Jones
On 11/27/18 11:22 AM, Rick Gutierrez wrote: > El mar., 27 nov. 2018 a las 11:14, Alan Hodgson > () escribió: > >> >> Wow, that's hard to read. >> >> It was close to being tagged because of the Pakistan relay. Just add a few >> points for Word docs and you should be good. Word docs from spammy

Re: spoofing mail

2018-11-27 Thread Rick Gutierrez
El mar., 27 nov. 2018 a las 11:54, Alan Hodgson () escribió: > > > > Malware/phishes are usually either in an attachment or the message has a > link. Personally I add a lot of points to either if they come through > questionable countries. Users can dig them out of their Junk if they happen >

Re: spoofing mail

2018-11-27 Thread Alan Hodgson
On Tue, 2018-11-27 at 11:22 -0600, Rick Gutierrez wrote: > El mar., 27 nov. 2018 a las 11:14, Alan Hodgson > () escribió: > > > Wow, that's hard to read. > > > > It was close to being tagged because of the Pakistan relay. Just > > add a few points for Word docs and you should be good. Word docs

Re: spoofing mail

2018-11-27 Thread Rick Gutierrez
El mar., 27 nov. 2018 a las 11:14, Alan Hodgson () escribió: > > Wow, that's hard to read. > > It was close to being tagged because of the Pakistan relay. Just add a few > points for Word docs and you should be good. Word docs from spammy countries > should really get a lot of points. Hi Alan

Re: spoofing mail

2018-11-27 Thread Alan Hodgson
On Tue, 2018-11-27 at 10:42 -0600, Rick Gutierrez wrote: > Hi , I have a situation a little complicated, I have emails from > spammers that come with the name of one of my users, but the email > address is not from my domain , they send it from a valid domain, > which complies with spf, DKIM etc