[mailop] Article Describing Mail Policy Changes

I'm seeing more and more people (not commercial mailers, but ISPs, individual businesses, etc.) asking in groups about delivery issues to the major mail companies. Most likely (though not guaranteed) that it's related to the changes in SPF, DKIM, and DMARC requirements. Have you seen any

Re: [mailop] Yahoo Feedback Loop

rom: "Mike Hammett via mailop" To: "mailop" Sent: Monday, November 27, 2023 8:50:37 AM Subject: [mailop] Yahoo Feedback Loop What do you do when someone keeps reporting conversations on a mailman mailing list that is opt-in only to Yahoo? It seems like they forgot

Re: [mailop] Yahoo Feedback Loop

n they can sign back up, third incident drop them and ban from coming back. -- Larry Smith lesm...@ecsis.net On Mon November 27 2023 08:50, Mike Hammett via mailop wrote: > What do you do when someone keeps reporting conversations on a mailman > mailing list that is opt-in only to

[mailop] Yahoo Feedback Loop

What do you do when someone keeps reporting conversations on a mailman mailing list that is opt-in only to Yahoo? It seems like they forgot they were on NANOG and are now reporting every message sent to it. - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange

[mailop] WPEngine, Mail Channels, 365, MX Toolbox, Mail Genius

We have a website on WP Engine. WP Engine sends its email through Mail Channels. It's ending up in our Junk Mail box on 365. I test via MX Toolbox's Mail Deliverability Report. It fails for " Domain not found in SPF", yet manually, everything I look up appears good. The IP it sends from is

[mailop] WPEngine, Mail Channels, 365, MX Toolbox, Mail Genius

We have a website on WP Engine. WP Engine sends its email through Mail Channels. It's ending up in our Junk Mail box on 365. I test via MX Toolbox's Mail Deliverability Report. It fails for " Domain not found in SPF ", yet manually, everything I look up appears good. The IP it sends from is

Re: [mailop] Microsoft Office365 blocking non Oauth2 authentication on IMAP and SMTP.

Down with big mail! ;-) - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Benoît Panizzon via mailop" To: mailop@mailop.org Sent: Friday, August 19, 2022 1:41:21 AM Subject: [mailop] Microsoft

Re: [mailop] Office 365 Different Hop Count Exceeded

bject: Re: [mailop] Office 365 Different Hop Count Exceeded Content filters on the final destination domain rejecting the mail in a way that isn’t a permanent failure. Laura Sent from my iPhone On Apr 18, 2022, at 9:49 PM, Mike Hammett via mailop wrote: Reported error: 554 5.4.14

[mailop] Office 365 Different Hop Count Exceeded

Reported error: 554 5.4.14 Hop count exceeded - possible mail loop ATTR34 [BN1NAM02FT041.eop-nam02.prod.protection.outlook.com] DSN generated by: CH2PR18MB3414.namprd18.prod.outlook.com I send an email from the same environment (my Zimbra server) to a forwarding account in that

Re: [mailop] IP Reputation Services

h RBL Blacklist monitor maybe ? Pierre-Yves Le lun. 4 avr. 2022 à 16:42, Mike Hammett via mailop < mailop@mailop.org > a écrit : I'm checking in to see what people think of IP reputation services. I run an ISP (well, a couple of them) and we occasionally run into issues where cu

[mailop] IP Reputation Services

I'm checking in to see what people think of IP reputation services. I run an ISP (well, a couple of them) and we occasionally run into issues where customer IPs stop working with various services because of reputation issues. We run a fairly light-touch as to our customer's traffic, but when

Re: [mailop] [E] Traffic patterns related to Russian-Ukranian conflict

https://en.wikipedia.org/wiki/Cyberwarfare - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Marcel Becker via mailop" To: "Luis E. Muñoz" Cc: "mailop" Sent: Wednesday, March 30, 2022 10:03:48 AM

Re: [mailop] Low Volume Senders

Has anyone had any success complaining to the FTC about oligopolistic behaviors from the large mail providers? - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Mike Hammett via mailop"

Re: [mailop] Low Volume Senders

Would that have a meaningful impact on the underlying problem? - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Alessandro Vesely via mailop" To: mailop@mailop.org Sent: Sunday, September 12, 2021

Re: [mailop] MailChimp to be Acquired by Intuit

That sounds absolutely terrible. - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Anne P. Mitchell, Esq. via mailop" To: "Jarland Donnell via mailop" Sent: Monday, September 13, 2021 4:52:10 PM

Re: [mailop] Low Volume Senders

ough email to be noteworthy. This is fairly recent for me, and seems to be based on the same theory. On 2021-09-10 08:30, Mike Hammett via mailop wrote: > Poking around their support pages, portals, etc. doesn't give me what > I'm looking for, so I thought I would ask. > > > > >

[mailop] Low Volume Senders

Poking around their support pages, portals, etc. doesn't give me what I'm looking for, so I thought I would ask. Have Google and Microsoft done anything to resolve their inability for low-volume senders to get out of the blocklists? - Mike Hammett Intelligent Computing Solutions

Re: [mailop] Gangs scanning mailboxes for quick cash

Fail2Ban to the rescue! ;-) - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Simon Lyall via mailop" To: mailop@mailop.org Sent: Friday, September 3, 2021 8:41:27 PM Subject: [mailop] Gangs scanning

[mailop] SNDS At Work

I now manage another ISP with another set of e-mail servers (customers, internal systems, alerts, etc.). I went to sign up for SNDS with my work e-mail. We use Office 365 for the corporate mail and "You can't sign up here with a work or school email address." Well, that's dumb. I don't

[mailop] Consolidation of Email Platforms Bad for Email?

I thought I had asked about this before, but I couldn't find me doing so in my archives. I had read an article one time, somewhere about the ongoing consolidation of e-mail into a handful of providers was bad for the Internet as a whole. It was some time ago and thus, the details have

Re: [mailop] SNDS Down?

y 7, 2020 9:57:34 AM Subject: Re: [mailop] SNDS Down? Yes, it does work now for me as well. - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Mike Hammett via mailop" To: mailop@mailop.org

Re: [mailop] SNDS Down?

Yes, it does work now for me as well. - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Mike Hammett via mailop" To: mailop@mailop.org Sent: Thursday, May 7, 2020 7:56:02 AM Subject: [ma

[mailop] SNDS Down?

Is SNDS down? I'm unable to login. - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop

[mailop] SNDS Bounces

How often does SNDS just bounce contact addresses out of their system? It seems to happen once every few months, but most of the time, it's only one of my IP blocks. The others (which have the same contact information) continue just fine. --- Smart Network Data Services has determined

Re: [mailop] Odd Routing to Iowa

Nevermind. Wrong list. - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Mike Hammett via mailop" To: mailop@mailop.org Sent: Tuesday, December 31, 2019 11:15:40 AM Subject: [mailop] O

[mailop] Odd Routing to Iowa

Is anyone else seeing odd routing when calling Goldfield Telecom in Iowa? Yes, I'm almost positive no one here has had that need. Today when I call from Sprint, I get a guy that just keeps saying, "Hello". When I call with T-Mobile, I get through to the desired conference brdige. When

Re: [mailop] Junk filtering as a tool for unfair competition

Users (even technical ones) aren't reliable for determining what spam is. - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Jay Hennigan via mailop" To: mailop@mailop.org Sent: Wednesday, October 23,

Re: [mailop] Diversity in Mail Providers

bigger operators so they are sure their mail arrives to their destination. I think all this has been discussed in the recent “Junk filtering as a tool for unfair competition” thread. Kind regards SR From: mailop On Behalf Of Mike Hammett via mailop Sent: mardi, 29 octobre 2019 17:25 To: Mail O

[mailop] Diversity in Mail Providers

Somewhere I saw someone mention the declining diversity in mail system operators (due to the popularity of pushing things into Microsoft, Google, etc.'s platform) being a concern for the Internet. It was an article, IETF (or similar) tract, something... Does anyone know what I'm talking

Re: [mailop] Low-Volume Domains\Servers

To: mailop@mailop.org Sent: Friday, October 25, 2019 12:08:29 PM Subject: Re: [mailop] Low-Volume Domains\Servers On Fri, 2019-10-25 at 11:34 -0500, Mike Hammett via mailop wrote: > One time one of them told me that because my normal volume was so low, > they didn't have much to go o

[mailop] Low-Volume Domains\Servers

Have there been any significant efforts by major mail providers to better handle un-blacklisting of low volume servers or domains? The issue I encounter is that once a year or two, I get a day where someone's account gets compromised. I get it fixed same day, clear the queues, etc. Everyone

Re: [mailop] Lawsuit to watch: Tulsi v. Google

IANAL, but I would also assume that it would have to be a remarkably higher rate of SPAM classification to show as intentful. 5% more than anyone else doesn't really mean anything. - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP -

Re: [mailop] Microsoft blacklisting a /16

Pop your head up too often and it will get taken off? - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Michael Wise via mailop" To: "mailop" Sent: Thursday, June 6, 2019 2:22:06 PM Subject: Re: