Re: Rule for non-DKIM-signed messages

2019-05-13 Thread David Jones
On 5/12/19 9:29 PM, Kurt Fitzner wrote: > On 2019-05-11 23:25, David Jones wrote: > > I don't have anything nearly so elaborate.  But then I don't have the > spam volume either. > That's fine. Just wanted to point out that "one size doesn't fit all" for other readers on this list. The

Re: Rule for non-DKIM-signed messages

2019-05-13 Thread Brent Clark
Shot for sharing David !!! Regards Brent Clark P.s. I wonder what other tricks you have up your sleeve that you would be willing to share. :) On 2019/05/10 16:48, David Jones wrote: On 5/10/19 1:52 AM, Pedro David Marco wrote: Hi Kurt, On the contrary, most spam i see is valid DKIM

Re: Rule for non-DKIM-signed messages

2019-05-12 Thread Kurt Fitzner
On 2019-05-11 23:25, David Jones wrote: Is this for a single mailbox? If that is the case, then it's fine to make a decision like that for a single mailbox. For those of us running mail filtering plaforms for customers, this would be a very bad rule. Not a single mailbox, no. Not nearly

Re: Rule for non-DKIM-signed messages

2019-05-11 Thread David Jones
On 5/10/19 1:16 PM, Kurt Fitzner wrote: > On 2019-05-10 12:42, Matus UHLAR - fantomas wrote: > >> I wanted to comment OP's mail, but since I don't have DKIM set up, I >> wasn't >> sure it would pass  :-) > > I actually didn't have DKIM signing set up myself until a couple weeks > ago.  I had

Re: Rule for non-DKIM-signed messages

2019-05-10 Thread Kurt Fitzner
On 2019-05-10 12:42, Matus UHLAR - fantomas wrote: I wanted to comment OP's mail, but since I don't have DKIM set up, I wasn't sure it would pass :-) I actually didn't have DKIM signing set up myself until a couple weeks ago. I had been lazy in setting it for a while, but I had to because

Re: Rule for non-DKIM-signed messages

2019-05-10 Thread Matus UHLAR - fantomas
On 5/10/19 1:52 AM, Pedro David Marco wrote: On the contrary, most spam i see is valid DKIM signed...   tons of hacked sites... tons of emails from free trials of big-cheeses... Nevertheless... meta    NO_DKIM_SIGNED    ! DKIM_SIGNED score NO_DKIM_SIGNED        2 describe

Re: Rule for non-DKIM-signed messages

2019-05-10 Thread David Jones
On 5/10/19 1:52 AM, Pedro David Marco wrote: > Hi Kurt, > > > On the contrary, most spam i see is valid DKIM signed...   tons of > hacked sites... tons of emails from free trials of big-cheeses... > > Nevertheless... > > meta    NO_DKIM_SIGNED    ! DKIM_SIGNED > score NO_DKIM_SIGNED   

Re: Rule for non-DKIM-signed messages

2019-05-10 Thread Pedro David Marco
Hi Kurt, On the contrary, most spam i see is valid DKIM signed...   tons of hacked sites... tons of emails from free trials of big-cheeses... Nevertheless... meta    NO_DKIM_SIGNED    ! DKIM_SIGNEDscore   NO_DKIM_SIGNED        2describe  NO_DKIM_SIGNED        Email does not have

Rule for non-DKIM-signed messages

2019-05-09 Thread Kurt Fitzner
I've noticed on my mail server that DKIM signing is almost diagnostic of spam. Almost no legitimate sender is without DKIM, and about 90% of my spam is unsigned, so I want to bias non-DKIM-signed heavily towards spam. To that end I was wondering if there are any built-in rules I can activate