Re: [mailop] Anyone on this list from SpamCop?

2018-02-07 Thread Olaf Petry - Hornetsecurity
Hello, BTW I guess most unsubscribe header belong to the one-click-unsubscribe, see rfc 8058 Whitepaper: https://certified-senders.org/wp-content/uploads/2017/07/CSA_one-click_list-unsubscribe.pdf Mit freundlichen Grüßen / Kind Regards Olaf Petry -Ursprüngliche Nachricht- Von: mailop

Re: [mailop] Spam originating from Office 365

2018-02-07 Thread Jethro R Binks
On Tue, 6 Feb 2018, Carl Byington wrote: > On Mon, 2018-02-05 at 03:00 +, Shane Clay via mailop wrote: > > For our customers, the bulk majority of spam they actually receive > > (over 90% of whats delivered and more than 40% of whats blocked) now > > days comes from Office 365. Do others see t

Re: [mailop] Microsoft/Outlook Helo Hostnames Unknown

2018-02-07 Thread Frederik Ferner
I know this thread is a bit older but we've been seeing similar issues recently where HELO doesn't match RDNS and DNS for HELO does resolve to a different IP: IP for sending host: 40.107.1.100 RDNS: mail-eopbgr10100.outbound.protection.outlook.com. HELO: eur03-am5-obe.outbound.protection.outlook.c

Re: [mailop] Spam originating from Office 365

2018-02-07 Thread Michael Wise via mailop
If it's being marked as spam, and isn't, the recipient Office365 Tenant needs to raise it as a False Positive. Or the sender, if it’s coming from Office365 to an external. One way or another, *SOMEONE* has to raise it as an FP. Aloha, Michael. -- Michael J Wise Microsoft Corporation| Spam Ana

[mailop] Issues With the way Google Groups unsubscribe is used in headers..

2018-02-07 Thread Michael Peddemors
Spammers are abusing Google Groups lists of course, and I am sure they are working on it, but the issue is with the unsubscribe URL methods.. Comments at the bottom of the example.. eg.. (Relevant Information Only) Return-Path: Received: from mail-ua0-f199.google.com (HELO mail-ua0-f199.go

Re: [mailop] Issues With the way Google Groups unsubscribe is used in headers..

2018-02-07 Thread Jim Popovitch via mailop
On February 8, 2018 1:05:59 AM UTC, Michael Peddemors wrote: >Spammers are abusing Google Groups lists of course, and I am sure they >are working on it, but the issue is with the unsubscribe URL methods.. >Comments at the bottom of the example.. > I've been reporting this to Google for 4 week

Re: [mailop] Issues With the way Google Groups unsubscribe is used in headers..

2018-02-07 Thread Brandon Long via mailop
I'll file a bug. And this is a direct message from the list to the one attempting to unsubscribe? Brandon On Wed, Feb 7, 2018, 5:15 PM Michael Peddemors wrote: > Spammers are abusing Google Groups lists of course, and I am sure they > are working on it, but the issue is with the unsubscribe UR

Re: [mailop] Issues With the way Google Groups unsubscribe is used in headers..

2018-02-07 Thread John Levine
In article you write: >-=-=-=-=-=- >-=-=-=-=-=- > >I'll file a bug. > >And this is a direct message from the list to the one attempting to >unsubscribe? Yes, it's been like that for a long time. R's, John ___ mailop mailing list mailop@mailop.org htt

Re: [mailop] Issues With the way Google Groups unsubscribe is used in headers..

2018-02-07 Thread Carl Byington
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On Thu, 2018-02-08 at 01:32 +, Brandon Long via mailop wrote: > And this is a direct message from the list to the one attempting to > unsubscribe? Not sure about that one, but I have a very similar sample, DKIM signed by work-web-press.20150623.