Re: [mailop] SPF check overly stringent?

On Fri, Apr 29, 2016 at 10:33 AM, Kurt Andersen (b) wrote: > > > On Fri, Apr 29, 2016 at 10:17 AM, Steve Atkins wrote: > >> >> > On Apr 29, 2016, at 9:52 AM, Frank Bulk wrote: >> > >> > I also removed 'mx' because this tool >> >

Re: [mailop] SPF check overly stringent?

On Fri, Apr 29, 2016 at 10:17 AM, Steve Atkins wrote: > > > On Apr 29, 2016, at 9:52 AM, Frank Bulk wrote: > > > > I also removed 'mx' because this tool > > (http://vamsoft.com/support/tools/spf-policy-tester) was failing on > pulling > > the for each

Re: [mailop] SPF check overly stringent?

I like to use https://dmarcian.com/spf-survey/sigiowa.com for checking SPF (and DMARC) On Fri, Apr 29, 2016 at 9:52 AM, Frank Bulk wrote: > We're helping a customer (sigiowa.com) who's having issues sending emails > to > the USDA. Our email server logs this: > Site

Re: [mailop] SPF check overly stringent?

> On Apr 29, 2016, at 9:52 AM, Frank Bulk wrote: > > We're helping a customer (sigiowa.com) who's having issues sending emails to > the USDA. Our email server logs this: > Site usda.gov (2a01:111:f400:7c10::10) said after data sent: 450 > 4.7.26 Service does not accept

[mailop] SPF check overly stringent?

We're helping a customer (sigiowa.com) who's having issues sending emails to the USDA. Our email server logs this: Site usda.gov (2a01:111:f400:7c10::10) said after data sent: 450 4.7.26 Service does not accept messages sent over IPv6 [2607:fe28:0:4000::20] unless they pass either SPF or

Re: [mailop] Bounces from outbound.protection.outlook.com

On 4/29/16 7:25 AM, Benoit Panizzon wrote: I am seeing in my logs some bounces messages (empty sender) from > various outbound.protection.outlook.com servers. All those bounce > messages are directed towards one specific email address which is > probably used as an envelope field in a spam run.

Re: [mailop] Bounces from outbound.protection.outlook.com

There are discussions internally on it as well. It's a known issue. Aloha, Michael. -- Michael J Wise | Microsoft | Spam Analysis | "Your Spam Specimen Has Been Processed." | Got the Junk Mail Reporting Tool ? -Original Message- From: mailop [mailto:mailop-boun...@mailop.org] On

Re: [mailop] Bounces from outbound.protection.outlook.com

This has been going on for some time now, there was discussion on this list regarding the topic, we ended up putting a policy in our platforms just to deal with this issue. "Reject messages from senders forging bounce messages". On 16-04-29 06:25 AM, Benoit Panizzon wrote: Hi Renaud I am

Re: [mailop] Bounces from outbound.protection.outlook.com

Hi Michael, On 04/29/2016 04:22 PM, Michael Wise wrote: > Protection.outlook.com is Office365, and *NOT* "HotMail". > > If you have samples of the malicious NDRs, please send them to me, and > I'll see if there's a way to squelch it. > I never implied that protection.outlook.com is hotmail in

Re: [mailop] contact with mail support for domain cisco.com

If you can't share at least one or two samples ... How can we possibly know who should step up to help? Aloha, Michael. -- Sent from my Windows Phone From: Peter Handke Sent: ‎4/‎29/‎2016 3:27 AM To:

Re: [mailop] Bounces from outbound.protection.outlook.com

Heh. Just to be clear, when I say, "HotMail", I'm implying the consumer offering known as, "Outlook.com". It's confusing as , and I really wish they had chosen another name, but alas. Logs should suffice, but if there's any way to get a sample to know the shape of the attack when it hits

Re: [mailop] DNS Errors for Microsoft Hostnames

I have increased query-errors logging in BIND to level 10. Hopefully that will give us more to work with when the problem re-occurs. Hopefully all the invalid PTRs won’t cause these logs to melt the boxes. -Rob Heilman > On Apr 28, 2016, at 5:56 PM, Michael Wise

[mailop] BT internet contact

Are there any BTinternet contacts out there? Or anyone that has any success in reaching a postmaster? Thanks, Dickie LaFlamme / Deliverability Specialist ___ mailop mailing list mailop@mailop.org

Re: [mailop] Bounces from outbound.protection.outlook.com

Hi Renaud > I am seeing in my logs some bounces messages (empty sender) from > various outbound.protection.outlook.com servers. All those bounce > messages are directed towards one specific email address which is > probably used as an envelope field in a spam run. > > Now my question is: if it

[mailop] Bounces from outbound.protection.outlook.com

Hello, I am seeing in my logs some bounces messages (empty sender) from various outbound.protection.outlook.com servers. All those bounce messages are directed towards one specific email address which is probably used as an envelope field in a spam run. Now my question is: if it comes from

[mailop] contact with mail support for domain cisco.com

Hello, There is a problem with sending emails from employees in @cisco.com domain to some certain domain. Emails in opposite direction pass without problem. No errors, no warnings or any other logs at cisco's employees desktop.. We checked popular rbls, spamhauses, senderbase etc. Other domains