Re: Spam rule for HTTP/HTTPS request to sender's root domain

2019-03-13 Thread RW
On Wed, 13 Mar 2019 17:40:57 -0400 Mike Marynowski wrote: > Can someone help me form the correct SOA record in my DNS responses > to ensure the NXDOMAIN responses get cached properly? Based on the > logs I don't think downstream DNS servers are caching it as requests > for the same valid HTTP

Re: Spam rule for HTTP/HTTPS request to sender's root domain

2019-03-13 Thread Mike Marynowski
Can someone help me form the correct SOA record in my DNS responses to ensure the NXDOMAIN responses get cached properly? Based on the logs I don't think downstream DNS servers are caching it as requests for the same valid HTTP domains keep hitting the service instead of being cached for 4

Re: Spam rule for HTTP/HTTPS request to sender's root domain

2019-03-13 Thread Mike Marynowski
Any HTTP status code 400 or higher is treated as no valid website on the domain. I see a considerable amount of spam that returns 5xx codes so at this point I don't plan on changing that behavior. 503 is supposed to indicate a temporary condition so this seems like an abuse of the error code.

Re: Re: Regex header_checks rules not always matching

2019-03-13 Thread atat
Thanks for reply. I will check tommorow what You have mentioned to check. I have obfuscated my domains like this: mail.mydomain.pl -> example.com.pl mydomain.com -> example.com hostname.mail.mydomain.pl -> srv01.example.com.pl That wopuld be all about obfuscating. Do You suggest that:

Re: Spam rule for HTTP/HTTPS request to sender's root domain

2019-03-13 Thread Jari Fredriksson
> Antony Stone kirjoitti 13.3.2019 > kello 20.36: > > On Wednesday 13 March 2019 at 19:21:47, Jari Fredriksson wrote: > >> What would it result for this: >> >> I have a couple domains that do not have any services for the root domain >> name. How ever, the server the A points do have a web

Re: Spam rule for HTTP/HTTPS request to sender's root domain

2019-03-13 Thread Antony Stone
On Wednesday 13 March 2019 at 19:21:47, Jari Fredriksson wrote: > What would it result for this: > > I have a couple domains that do not have any services for the root domain > name. How ever, the server the A points do have a web server that acts as > a reverse proxy for many subdomains that

Re: Spam rule for HTTP/HTTPS request to sender's root domain

2019-03-13 Thread Jari Fredriksson
What would it result for this: I have a couple domains that do not have any services for the root domain name. How ever, the server the A points do have a web server that acts as a reverse proxy for many subdomains that will be served a web page. A http 503 is returned by the pound reverse for

Re: Regex header_checks rules not always matching

2019-03-13 Thread Bill Cole
On 13 Mar 2019, at 8:50, atat wrote: Hi,   Spamassassin 3.4.0-4.el7_5 on centos 7, updated from Base Repo.   My regex rules are not always matching spammers from outside. Please help me understan why it's happening sometimes.   All not matched emails has  multipart info in header:  

Re: Spam rule for HTTP/HTTPS request to sender's root domain

2019-03-13 Thread Dominic Raferd
On Wed, 13 Mar 2019 at 13:04, RW wrote: > > On Wed, 13 Mar 2019 10:53:06 + > Dominic Raferd wrote: > > > On Wed, 13 Mar 2019 at 10:33, Mike Marynowski > > wrote: > > > > > > > For those of us who are not SA experts can you give an example of how > > to use your helpful new lookup facility

Re: Spam rule for HTTP/HTTPS request to sender's root domain

2019-03-13 Thread RW
On Wed, 13 Mar 2019 10:53:06 + Dominic Raferd wrote: > On Wed, 13 Mar 2019 at 10:33, Mike Marynowski > wrote: > > > > For those of us who are not SA experts can you give an example of how > to use your helpful new lookup facility (i.e. lines to add in > local.cf)? Thanks askdns

Regex header_checks rules not always matching

2019-03-13 Thread atat
Hi,   Spamassassin 3.4.0-4.el7_5 on centos 7, updated from Base Repo.   My regex rules are not always matching spammers from outside. Please help me understan why it's happening sometimes.   All not matched emails has  multipart info in header:   Content-Type: multipart/mixed;

Re: Spam rule for HTTP/HTTPS request to sender's root domain

2019-03-13 Thread Dominic Raferd
On Wed, 13 Mar 2019 at 10:33, Mike Marynowski wrote: > For those of us who are not SA experts can you give an example of how to use your helpful new lookup facility (i.e. lines to add in local.cf)? Thanks

Apache SpamAssassin Looking for Student Developers and Project Ideas for Google Summer of Code 2019

2019-03-13 Thread Sidney Markowitz
On behalf of the Apache SpamAssassin PMC, we are supporting the Google Summer of Code for 2019. GSOC is a global program focused on bringing more student developers into open source software development. Students work with an open source organization on a 3 month programming project during

Re: Spam rule for HTTP/HTTPS request to sender's root domain

2019-03-13 Thread Mike Marynowski
Back up after some extensive modifications. Setting the DNS request timeout to 30 seconds is no longer necessary - the service instantly responds to queries. In order to prevent mail delivery issues if the website is having technical issues the first time a domain is seen by the service, it