Re: Detecting SendGrid shared IPs

2020-07-17 Thread Ricky Boone
Looks like I might have replied to Kris and not the maillist. Sorry if this shows up twice. Made a couple adjustments to the two patterns and merged them into one if anyone is interested. /^\[[^\]]+ (?:helo|rdns)=[\w\d.]+\.(?:outbound-e?mail|shared)\.sendgrid\.net / On Thu, Jul 16, 2020 at

Re: Detecting SendGrid shared IPs

2020-07-17 Thread RW
On Thu, 16 Jul 2020 11:07:46 -0400 Kris Deugau wrote: > Pedro David Marco wrote: > > Is there any way to know whether a Sendgrid IP is shared or > > dedicated? > > Use the FCrDNS data and one or another of the X-Spam-Relays > metaheaders. It should be possible to quickly refine these to "good

Re: Detecting SendGrid shared IPs

2020-07-16 Thread Kris Deugau
Pedro David Marco wrote: Is there any way to know whether a Sendgrid IP is shared or dedicated? Use the FCrDNS data and one or another of the X-Spam-Relays metaheaders. It should be possible to quickly refine these to "good enough", if they're not already (watch for word wrap): header

Re: Detecting SendGrid shared IPs

2020-07-16 Thread Pedro David Marco
>On Thursday, July 16, 2020, 03:26:08 PM GMT+2, Riccardo Alfieri wrote: >Bumping a little the score for shared IPs? Could make sense.. Exactly... -Pedro

Re: Detecting SendGrid shared IPs

2020-07-16 Thread Riccardo Alfieri
Bumping a little the score for shared IPs? Could make sense.. On 16/07/20 14:10, m...@junc.eu wrote: Why? From: Pedro David Marco Date: Thu, Jul 16, 2020 at 09:18 AM Subject: Detecting SendGrid shared IPs To: Users Is there any way to know whether a Sendgrid IP is shared

RE: Detecting SendGrid shared IPs

2020-07-16 Thread Marc Roos
Blacklist all and just whitelist email addresses you want to receive from. -Original Message- From: Pedro David Marco [mailto:pedrod_ma...@yahoo.com] Sent: donderdag 16 juli 2020 9:18 To: Users Subject: Detecting SendGrid shared IPs Is there any way to know whether a Sendgrid IP

Detecting SendGrid shared IPs

2020-07-16 Thread Pedro David Marco
Is there any way to know whether a Sendgrid IP is shared or dedicated? Thanks in advance! Pedro