Re: Really hard-to-filter spam

2023-07-27 Thread Ken D'Ambrosio
On 7/27/2023 12:08 PM, Ken D'Ambrosio wrote: Hey, all. I've recently started getting spam that's really hard to deal with, and I'm open to suggestions as to how to approach it. Superficially, I'm not sure why the OP's rule didn't match the target message, but it is NOT because of the Base64 enc

Re: Really hard-to-filter spam

2023-07-27 Thread Bill Cole
On 2023-07-28 at 00:26:51 UTC-0400 (Thu, 27 Jul 2023 23:26:51 -0500 (CDT)) David B Funk is rumored to have said: On Fri, 28 Jul 2023, Jared Hall wrote: On 7/27/2023 12:08 PM, Ken D'Ambrosio wrote: Hey, all. I've recently started getting spam that's really hard to deal with, and I'm open to

Re: Really hard-to-filter spam

2023-07-27 Thread David B Funk
On Fri, 28 Jul 2023, Jared Hall wrote: On 7/27/2023 12:08 PM, Ken D'Ambrosio wrote: Hey, all. I've recently started getting spam that's really hard to deal with, and I'm open to suggestions as to how to approach it. Superficially, [snip..] The damn body's been encoded!  And there's so little

Re: Ensuring SPF/DKIM for @gmail.com

2023-07-27 Thread Grant Taylor via users
On 7/27/23 6:25 AM, Matus UHLAR - fantomas wrote: I use spamass-milter on my system and amavisd-milter on other systems especially to be able to reject spam at SMTP time. Definitely a good thing. :-) You just should not use it for "outgoing" mail from your clients, so they don't complain abou

RE: Really hard-to-filter spam

2023-07-27 Thread Marc
> > Hey, all. I've recently started getting spam that's really hard to deal > with, and I'm open to suggestions as to how to approach it. > Superficially, they all look much like this: > Post the complete message source including headers.

RE: Ensuring SPF/DKIM for @gmail.com

2023-07-27 Thread Marc
> > >> I assume that you mean so that your outbound SMTP server is actually > >> authorized in some capacity and fall under "all". Is that correct? > > ... and does NOT dall under "all". > > On 27.07.23 08:11, Marc wrote: > >indeed afaik -all is all authorized > > pardon me? -all means everyon

Re: Ensuring SPF/DKIM for @gmail.com

2023-07-27 Thread Matus UHLAR - fantomas
I assume that you mean so that your outbound SMTP server is actually authorized in some capacity and fall under "all". Is that correct? ... and does NOT dall under "all". On 27.07.23 08:11, Marc wrote: indeed afaik -all is all authorized pardon me? -all means everyone except previously ment

Re: Ensuring SPF/DKIM for @gmail.com

2023-07-27 Thread Matus UHLAR - fantomas
On 7/26/23 2:34 AM, Benny Pedersen wrote: milters should not be spam scanners, spamassassin is better On 26.07.23 13:32, Grant Taylor via users wrote: {spamass-milter,milter-spamc} combined with SpamAssassin cause me to question the veracity of that statement. +1 Milter implies doing the fi

Re: Ensuring SPF/DKIM for @gmail.com

2023-07-27 Thread Benny Pedersen
Marc skrev den 2023-07-27 09:48: The oldest mail server log I can find is from mx-in-08 sadly even that one is only from 2005 but confirms we were using it then, quite a bit longer than 2014 :P Why retire? To go fishing or so? I think GDPR even prohibits keeping very old log files, if there is

Re: Ensuring SPF/DKIM for @gmail.com

2023-07-27 Thread Noel Butler
On 27/07/2023 18:11, Marc wrote: I am always using -all. I honestly can't think of a good argument to use anything else. I agree. It's my belief that ~all is only useful for a "production entry test phase", once your happy, move to -all Like DMARC's p=none it's a "getting it going" method

Re: Ensuring SPF/DKIM for @gmail.com

2023-07-27 Thread Noel Butler
On 27/07/2023 17:48, Marc wrote: The oldest mail server log I can find is from mx-in-08 sadly even that one is only from 2005 but confirms we were using it then, quite a bit longer than 2014 :P Why retire? To go fishing or so? I think GDPR even prohibits keeping very old log files, if there i

RE: Ensuring SPF/DKIM for @gmail.com

2023-07-27 Thread Marc
> > I assume that you mean so that your outbound SMTP server is actually > authorized in some capacity and fall under "all". Is that correct? indeed afaik -all is all authorized > > When you configure your spf your result is either pass, softfail or > fail > > I think we can agree that a correc

RE: Ensuring SPF/DKIM for @gmail.com

2023-07-27 Thread Marc
> > The oldest mail server log I can find is from mx-in-08 sadly even that > one is only from 2005 but confirms we were using it then, quite a bit > longer than 2014 :P > Why retire? To go fishing or so? I think GDPR even prohibits keeping very old log files, if there is no specific reason for

Re: Ensuring SPF/DKIM for @gmail.com

2023-07-27 Thread Noel Butler
On 27/07/2023 13:43, Bill Cole wrote: No, SPF pre dates that, 1998 or there abouts if my ageing memory serves me It's failing... :) SPF originated with an idea of Gordon Fecyk, first written up AFTER he left MAPS in 2001. First ID calling it SPF would have been 2003 or so. A brief refresher