Re: [OT] Re: Check for valid MX of sender and rspamd testing

On Tue, 10 Apr 2018, Rupert Gallagher wrote: Microsoft shits on your head, and you pay for it. Go on, enjoy it. On Tue, Apr 10, 2018 at 17:19, Reindl Harald wrote: Am 10.04.2018 um 17:17 schrieb Rupert Gallagher: > Microsoft should be blacklisted globally, until they

Re: [OT] Re: Check for valid MX of sender and rspamd testing

Microsoft shits on your head, and you pay for it. Go on, enjoy it. Sent from ProtonMail Mobile On Tue, Apr 10, 2018 at 17:19, Reindl Harald wrote: > Am 10.04.2018 um 17:17 schrieb Rupert Gallagher: > Microsoft should be > blacklisted globally, until they fix their >

Re: [OT] Re: Check for valid MX of sender and rspamd testing

>Microsoft should be blacklisted globally, until they fix their own software.  They even change the order of many headers (Receiveds included) remove the ones they do not like, etc... i am sure they like playing dices... PedroD

Re: [OT] Re: Check for valid MX of sender and rspamd testing

Microsoft should be blacklisted globally, until they fix their own software. On Tue, Apr 10, 2018 at 16:00, Sebastian Arcus wrote: > Hence why I have to have a local whitelist and skip verification for all MX's > of the form *.outlook.com (which include Microsoft cloud

[OT] Re: Check for valid MX of sender and rspamd testing

On 10/04/18 08:41, Daniele Duca wrote: On 09/04/2018 20:40, Sebastian Arcus wrote: This might not really answer your question, but I've had really good results leaving all this to the MTA (Exim in my case). I actually go for the whole hog full callout verification - checking with the MX

Re: Check for valid MX of sender and rspamd testing

On 09/04/2018 20:40, Sebastian Arcus wrote: This might not really answer your question, but I've had really good results leaving all this to the MTA (Exim in my case). I actually go for the whole hog full callout verification - checking with the MX that the sender really exists. I know that

Re: Check for valid MX of sender and rspamd testing

On 09/04/18 15:24, David Jones wrote: I was wondering if anyone knows of an SA plugin or another method to determine if the envelope-from domain has a valid MX record that is listening on TCP port 25.  I don't think it would be a major scorer but it could be useful in meta rules. This might

Re: Check for valid MX of sender and rspamd testing

On Mon, 9 Apr 2018 09:24:23 -0500 David Jones wrote: > I was wondering if anyone knows of an SA plugin or another method to > determine if the envelope-from domain has a valid MX record that is > listening on TCP port 25. I don't think it would be a major scorer > but it could be useful in

Re: Check for valid MX of sender and rspamd testing

Kevin A. McGrail skrev den 2018-04-09 16:46: If you are interested, let me know. i am interested to learn how to setup mimedefang, not how to test mx :=) that will always be a job for mta to make sure this is valid

Re: Check for valid MX of sender and rspamd testing

David Jones skrev den 2018-04-09 16:24: I was wondering if anyone knows of an SA plugin or another method to determine if the envelope-from domain has a valid MX record that is listening on TCP port 25. I don't think it would be a major scorer but it could be useful in meta rules. thats a job

Re: Check for valid MX of sender and rspamd testing

On 09/04/2018 16:24, David Jones wrote: Been playing around with rspamd over the weekend to see how it compares and so far not that impressed.  It has a few features that are interesting like the MX check but other than that it's not as impressive as the author makes it out to be on the

Re: Check for valid MX of sender and rspamd testing

Well, here's the code I use in filter_sender in MD to check for a validMX. The module needs a public release with some updates and doesn't work great with IPv6 but the code is solid and been in use for a long time at my firm. #IF NOT A BOUNCE, THEN CHECK VALID MX RECORDS if ($sender ne '<>') {

Re: Check for valid MX of sender and rspamd testing

On 04/09/2018 09:58 AM, Dianne Skoll wrote: On Mon, 9 Apr 2018 09:56:20 -0500 David Jones wrote: On 04/09/2018 09:44 AM, Reindl Harald wrote: you simply don't want connect to every innocent MX which inbound mail is forged because for the sake of god you are attacking the

Re: Check for valid MX of sender and rspamd testing

On Mon, 9 Apr 2018 09:56:20 -0500 David Jones wrote: > On 04/09/2018 09:44 AM, Reindl Harald wrote: > > you simply don't want connect to every innocent MX which inbound > > mail is forged because for the sake of god you are attacking the > > victim of spoofed mails and you are

Re: Check for valid MX of sender and rspamd testing

On 04/09/2018 09:46 AM, Kevin A. McGrail wrote: Hi Dave, I do similar work in MIMEDefang using the a redis backend for caching valid recipients combined with Net::validMX that can check to see if a sender has valid MX before sending.  I have a release of Net::validMX I'm about to post this

Re: Check for valid MX of sender and rspamd testing

On 04/09/2018 09:44 AM, Reindl Harald wrote: Am 09.04.2018 um 16:24 schrieb David Jones: I was wondering if anyone knows of an SA plugin or another method to determine if the envelope-from domain has a valid MX record that is listening on TCP port 25.  I don't think it would be a major scorer

Re: Check for valid MX of sender and rspamd testing

Hi Dave, I do similar work in MIMEDefang using the a redis backend for caching valid recipients combined with Net::validMX that can check to see if a sender has valid MX before sending. I have a release of Net::validMX I'm about to post this week in fact. If you are interested, let me know.