Re: [mailop] iphmx.com - who owns that server (SPF fault)

Shakespeare answered your question some centuries back in Romeo Juliet Act II Scene II. Right now I don’t particularly care about what a provider names their hosts, my filters tend not to care either unless it is a block based on those hosts. Not sure if I count as old fashioned, only been doin

Re: [mailop] Have Google and Apple phased out SRS / SPF?

just deploy arc? --srs From: mailop on behalf of Thomas Walter via mailop Sent: Wednesday, May 7, 2025 11:57:56 AM To: mailop@mailop.org Subject: Re: [mailop] Have Google and Apple phased out SRS / SPF? Hello, On 07.05.25 03:30, John Levine via mailop wrote:

Re: [mailop] Have Google and Apple phased out SRS / SPF?

If you can forward the mac.com case with headers etc to icloudad...@apple.com I can have the team take a look. --srs From: mailop on behalf of Benoit Panizzon via mailop Sent: Tuesday, May 6, 2025 3:42:50 PM To: Taavi Eomäe via mailop Cc: Taavi Eomäe Subject:

Re: [mailop] Deutsche Telekom

Arbitrary rules work best when the provider is either globally or locally an 800lb gorilla, as they used to say on Usenet (where does an 800lb gorilla sit? anywhere it likes). There isn’t much cost to putting up a cname redirect (say on www.thatdomain) with a website so t

Re: [mailop] Outbound IP ranges for iCloud

ranges for iCloud On 2025-04-08 10:20, Suresh Ramasubramanian via mailop wrote: > Hi folks, we are deploying a new set of outbounds for iCloud alongside our > existing ranges.Please update any filtering that you might have.Additionally, > please note that mail from iCloud might ALSO origi

Re: [mailop] Outbound IP ranges for iCloud

i can ask- thanks --srs From: mailop on behalf of Michael Peddemors via mailop Sent: Tuesday, April 8, 2025 11:22:38 PM To: mailop@mailop.org Subject: Re: [mailop] Outbound IP ranges for iCloud On 2025-04-08 10:20, Suresh Ramasubramanian via mailop wrote

Re: [mailop] Outbound IP ranges for iCloud

Blast. Formatting broke let me resend. Hi folks, We are deploying a new set of outbounds for iCloud alongside our existing ranges. Please update any filtering that you might have. Additionally, please note that mail from iCloud might ALSO originate from hosts with a *.apple.com PTR rather than

[mailop] Outbound IP ranges for iCloud

Hi folks, we are deploying a new set of outbounds for iCloud alongside our existing ranges.Please update any filtering that you might have.Additionally, please note that mail from iCloud might ALSO originate from hosts with a *.apple.com PTR rather than a *.me.com or *.icloud.com PTR.  SPF / DKI

Re: [mailop] attention apple/icloud, emails sent from 57.103.74.0/24 don't have a PTR record

Aware, and has been raised to the right people. Thank you for raising this. —srs From: mailop on behalf of Rob McEwen via mailop Date: Friday, 28 March 2025 at 1:35 AM To: mailop@mailop.org Subject: [mailop] attention apple/icloud, emails sent from 57.103.74.0/24 don't have a PTR record Ap

Re: [mailop] SMTP Submission issues with latest macOS Mail.app

Reminds me of the old “five hundred mile email” https://web.mit.edu/jemorris/humor/500-miles --srs From: mailop on behalf of Mark Delany via mailop Sent: Wednesday, February 19, 2025 4:29:09 AM To: mailop@mailop.org Subject: Re: [mailop] SMTP Submission issue

Re: [mailop] Icloud contact

Yes - if you’ve already contacted icloudad...@apple.com the ticket will be replied to. What was the ticket number that you received? --srs From: mailop on behalf of Udeme Ukutt via mailop Sent: Friday, January 31, 2025 8:42:42 PM To: Pierre Galiegue Cc: mailo

Re: [mailop] Certain ESPs and mailing lists

There can be multiple causes for this error - which will have to be gone into on a case by case basis. Please, as I said, open a ticket with icloudad...@apple.com or better still, have your provider open the ticket for you. —srs From: mailop on behalf of Carsten Schiefner via mailop Date:

Re: [mailop] Certain ESPs and mailing lists

If you haven’t already opened a ticket with icloudad...@apple.com please do so. --srs From: mailop on behalf of Mark Fletcher via mailop Sent: Tuesday, November 26, 2024 10:54:06 PM To: Carsten Schiefner Cc: mailop@mailop.org Subject: Re: [mailop] Certain ESPs

Re: [mailop] Blacklisting of Microsoft Exchange Online Nov. 2024

Fair enough. And personally and speaking only for myself, I know and like the spam cop folks since the late 90s but as things stand I wouldn’t use them as a BL to filter my personal mail. —srs From: Scott Q. Sent: Monday, November 11, 2024 7:01:52 PM To: Suresh

Re: [mailop] Blacklisting of Microsoft Exchange Online Nov. 2024

Oh thank you. I am so glad you explained this to me. —srs From: mailop on behalf of Scott Q. via mailop Sent: Monday, November 11, 2024 5:45:50 PM To: Graeme Fowler ; Mailop Subject: Re: [mailop] Blacklisting of Microsoft Exchange Online Nov. 2024 But it's not

Re: [mailop] Blacklisting of Microsoft Exchange Online Nov. 2024

SFV:SPM is what you want to filter on, in headers https://learn.microsoft.com/en-us/defender-office-365/message-headers-eop-mdo As for their high risk delivery pool I see this list but not on a Microsoft resource so please take that under advisement and do your due diligence https://sourceforge

Re: [mailop] Blacklisting of Microsoft Exchange Online Nov. 2024

Not an unusual state of affairs with a spam trap fed blocklist and overall high levels of outbound spam from any given platform. --srs From: mailop on behalf of Jörg Backschues via mailop Sent: Monday, November 11, 2024 1:27:59 PM To: MailOp Mailing List Subje

Re: [mailop] [EXTERNAL] Cloudmark Contact

So he does get replies, but he might not have appreciated the replies that he got? 😊 From: mailop on behalf of Scott Undercofler via mailop Date: Friday, 8 November 2024 at 5:44 AM To: Scott Mutter Cc: mailop@mailop.org Subject: Re: [mailop] [EXTERNAL] Cloudmark Contact I replied to you both

Re: [mailop] Relaying mails from Exchange Online

Let your onprem users relay as normal through postfix. Let postfix smarthost all its mail through exchange online’s outbounds, possibly with smtp auth. --srs From: mailop on behalf of Bo Frost Larsson via mailop Sent: Wednesday, October 30, 2024 1:03:40 PM To:

Re: [mailop] Help with icloud

This is good advice that I too would give :) --srs From: mailop on behalf of Faisal Misle via mailop Sent: Thursday, September 26, 2024 5:09:24 AM To: franci...@namecrane.com Cc: mailop@mailop.org Subject: Re: [mailop] Help with icloud Read this article and f

Re: [mailop] onmicrosoft.com customers forging @microsoft.com addresses for phishing

You will run into false positives. Universities, government departments .. all sorts of stuff. From: mailop on behalf of Gellner, Oliver via mailop Date: Monday, 23 September 2024 at 5:51 PM To: mailop Subject: Re: [mailop] onmicrosoft.com customers forging @microsoft.com addresses for phish

[mailop] Anybody here from Wells Fargo's email team?

Please contact me offlist. Thanks --srs (iCloud Postmaster) ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop

Re: [mailop] Odd iCloud bounce. Looking for an iCloud contact

Please email these to the iCloud postmaster team at icloudad...@apple.com https://support.apple.com/en-us/HT204137 * Company name * Email domain * The IP addresses of the affected mail servers * The SMTP errors from iCloud mail servers * A detailed description of the issue,

Re: [mailop] Strange sending issues with GMX

It is entirely possible that with carrier grade NAT, the outbound traffic of an entire broadband provider might go out from a very few IPs. And if these IPs also carry traffic from a spammer who is abusing GMX outbounds .. —srs From: mailop on behalf of Ralph Se

Re: [mailop] Cloud hosts for responsible mail servers?

You might add that it is also possibly due to your being in a webhosting provider / datacenter that proactively manages abuse so that extremely high volume spammers aren’t sending from any nearby IPs. From: mailop on behalf of Ralph Seichter via mailop Date: Tuesday, 9 July 2024 at 9:11 AM To

Re: [mailop] Yahoo/AOL Blocking

Certainly seems to be - the error is quite clear. You might want to check the usual? Hacked script originating or proxying spam (sometimes not even through your mta), forwarding users onto yahoo and spam that misses your inbound filtering is being forwarded on? It’d save these periodic emails t

Re: [mailop] how to stop this spam

Middle eastern and south Asian spammers have been running riot on that platform for over a decade now. Nobody seems to care. —srs From: mailop on behalf of Jeff Pang via mailop Sent: Thursday, June 20, 2024 7:43:01 AM To: mailop@mailop.org Subject: [mailop] ho

Re: [mailop] Apple/iCloud message blocking

That is the postmaster address for icloud so yes. The team will respond. Please see https://support.apple.com/en-us/HT204137 --srs From: mailop on behalf of Jeff P via mailop Sent: Thursday, June 6, 2024 12:08:37 PM To: mailop@mailop.org Subject: Re: [mailop]

Re: [mailop] Apple/iCloud message blocking

I will have the team check --srs From: mailop on behalf of Scott Mutter via mailop Sent: Thursday, June 6, 2024 11:02:03 AM To: mailop@mailop.org Subject: Re: [mailop] Apple/iCloud message blocking On Wed, Jun 5, 2024 at 10:43 PM Suresh Ramasubramanian mailt

Re: [mailop] Apple/iCloud message blocking

What address did you send it from? We don’t seem to see any email from your address so can you please resend it. --srs From: mailop on behalf of Scott Mutter via mailop Sent: Thursday, June 6, 2024 8:41:14 AM To: mailop@mailop.org Subject: Re: [mailop] Apple/

Re: [mailop] TLS inbound to comcast.net

Yeah Benny – if you’re running 16 year old code and certificates that you’re still on TLS v1 or 1.1, it is time to upgrade, asap. What you have is not much better or worse than sending it en clair anyway. From: mailop on behalf of Serhii via mailop Date: Tuesday, 21 May 2024 at 6:39 PM To:

Re: [mailop] Google Mail rejects forwarded email despite `~all` in SPF

Why is that, when 90% ++ of the transactions are between a limited set of providers, and even after that, within the long tail, there will be a similar bell curve so that most of your regular recipients that use ARC will eventually trust you? Beyond that, converting authentication into “trust”

Re: [mailop] Debt Collection Client Email Servers

No email provider is going to investigate whether a spam complaint is “false” or “true” If the percentage of spam complaints, bounces etc gets high enough, good luck to your email campaign --srs From: mailop on behalf of Michael Irvine via mailop Sent: Monday

Re: [mailop] Love how people use SPF records.. Just for a chuckle..

This looks more like they’ve been testing several providers and ended up with a large spf record that they might want to consider trimming. --srs From: mailop on behalf of Michael Peddemors via mailop Sent: Tuesday, March 12, 2024 4:24:03 AM To: mailop@mailop.o

Re: [mailop] Another very strange microsoft originated email??

Free trial account on Microsoft 365 being relayed through Microsoft 365 outbounds by a Hetzner IP --srs From: mailop on behalf of Michael Peddemors via mailop Sent: Thursday, December 7, 2023 5:38:33 AM To: mailop@mailop.org Subject: [mailop] Another very stra

Re: [mailop] Apple/icloud blocking - Message rejected due to local policy

Ok we will check --srs From: mailop on behalf of Scott Mutter via mailop Sent: Thursday, September 21, 2023 10:23:15 PM To: mailop@mailop.org Subject: Re: [mailop] Apple/icloud blocking - Message rejected due to local policy Message sent again - today, 2023-

Re: [mailop] Apple/icloud blocking - Message rejected due to local policy

Can you resend your message to postmaster with a recent sample of the logs? Bcc me at s...@apple.com so I can follow up with the team. From: mailop on behalf of Scott Mutter via mailop Date: Thursday, 21 September 2023 at 8:00 PM To: mailop@mailop.org Subject: Re: [mail

Re: [mailop] Apple/icloud blocking - Message rejected due to local policy

I’ll have someone look at your email and reply if they haven’t yet --srs From: mailop on behalf of Scott Mutter via mailop Sent: Tuesday, September 19, 2023 9:11:02 AM To: mailop@mailop.org Subject: [mailop] Apple/icloud blocking - Message rejected due to local

Re: [mailop] CS02 errors from Apple on Japanese emails only

Hi. Please feel free to forward me any ticket responses you got from the postmaster team, glad to take a look --srs From: mailop on behalf of Christine Borgia via mailop Sent: Wednesday, August 9, 2023 7:57:06 PM To: mailop@mailop.org Subject: [mailop] CS02 er

Re: [mailop] Microsoft Office365 not rejecting emails when instructed so by SPF recored?

Never mind – or ? and think of what happens to those poor domains that are saddled with a +all SPF record. From: mailop on behalf of Neil Jenkins via mailop Date: Friday, 26 May 2023 at 9:16 AM To: Mailop Group Subject: Re: [mailop] Microsoft Office365 not rejecting emails when instructed so

Re: [mailop] linodeusercontent.com/googleusercontent.com, I'm so done with you

d the announcement/notification/policy about it. And there are obviously plenty of perfectly fine reasons to burst a port that doesn't even bother anyone but yourself. On 2023-04-07 23:29, Suresh Ramasubramanian via mailop wrote: > Why would you need to blanket block port 25 outbound when you

Re: [mailop] linodeusercontent.com/googleusercontent.com, I'm so done with you

Why would you need to blanket block port 25 outbound when you could rate limit and/or dynamically block it? Yes - abusers would then go and get a few hundred thousand accounts and send maybe 10 emails per vps or droplet or whatever the abused provider calls it. And this is just smtp based abuse

Re: [mailop] [EXT] - Re: [EXT] - Re: [EXT] - Re: [EXT] - Re: New member, trying to bring our mail server inline.

As far as I see you can configure dkim if this is the Sophos email appliance https://docs.sophos.com/central/customer/help/en-us/ManageYourProducts/GlobalSettings/EmailDomains/DkimKeys/ --srs From: Salvatore Jr Walter P Sent: Sunday, March 5, 2023 6:51:59 AM To:

Re: [mailop] [EXT] - Re: [EXT] - Re: [EXT] - Re: New member, trying to bring our mail server inline.

As a rule you need to finish your antivirus / antispam etc BEFORE you sign the message, especially where this scanning is done by a separate appliance with its own mailserver that inserts headers. --srs From: mailop on behalf of Salvatore Jr Walter P via mailop

Re: [mailop] Student trying to attend M3AAWG

You can contact M3AAWG and request a pass --srs From: mailop on behalf of Alex Liu via mailop Sent: Saturday, February 18, 2023 8:30:57 AM To: mailop@mailop.org Subject: [mailop] Student trying to attend M3AAWG Hi Everyone, My name is Alex and I’m a student a

Re: [mailop] Cyren

It has shut down and laid off all its employees I don’t know what poor soul is still using them to filter spam but it won’t work any longer --srs From: mailop on behalf of Benoit Panizzon via mailop Sent: Monday, February 13, 2023 2:13:30 PM To: Carsten Schief

Re: [mailop] Feedback Loops and Sub-Domains

Use a dedicated address that can machine parse feedback loop email and that doesn’t create tickets or send back autoresponders for every incoming email. The ones you mentioned are a good start. You will probably have to special case delivery relationships with large Chinese / Korean etc provide

Re: [mailop] Try to understand *.onmicrosoft.com

That is an office 365 free trial account. There is some massive abuse of these going on over a period of time. However there is also a ton of legitimate traffic. --srs From: mailop on behalf of MRob via mailop Sent: Wednesday, November 9, 2022 5:17:09 AM To: m

Re: [mailop] Apple contact for strange email

These hosts deliver newsletters and marketing content that Apple sends to email addresses that are Apple IDs. I will let the team in question know to fix their PTR for these hosts – thanks for the heads up --srs From: mailop on behalf of Alexander Huynh via mailop Date: Tuesday, 18 October

Re: [mailop] Proofpoint Mail Blocking

You can reach out to the iCloud postmaster team if you face any FP blocks related to this or any other filter used on iCloud mail. https://support.apple.com/en-us/HT204137 --srs From: mailop on behalf of Henrik Pang via mailop Date: Wednesday, 14 September 2022 at 4:36 PM To: Christopher H

Re: [mailop] Removing a block from Spamhaus PBL

You can contact them and say the netblock has changed hands - and changed PTR as well hopefully --srs From: mailop on behalf of Simplelists - Andy Beverley via mailop Sent: Wednesday, September 7, 2022 7:05:46 PM To: mailop@mailop.org Subject: [mailop] Removin

Re: [mailop] Trouble sending to sympatico.ca

Why is it deferred when you get a 554? Probably a spam block on your IP or domain name with that generic an error --srs From: mailop on behalf of John Gateley via mailop Sent: Sunday, July 31, 2022 7:06:31 PM To: mailop@mailop.org Subject: [mailop] Trouble sen

Re: [mailop] Did Google become stricter about RFC 5322?

The thing about dkim is that you’re supposed to sign mail AFTER adding corporate disclaimers, fixing missing headers and what not. Go ahead and fix whatever missing header you can - it’s all good --srs From: mailop on behalf of Robert L Mathews via mailop Sent

Re: [mailop] Question for Google -- how am I able to be added to google groups without opting in?

Spammers in the middle east and Pakistan seem to love doing this. I finally set my google settings to “don’t add me to any google group without my requesting to join it” and that solved the issue, at least from the POV of my not receiving it. They’re running riot all over googlegroups and have

Re: [mailop] Interesting question from a team member, MX chaining, list-manage.com

Just as a catchall to get any bounces coming in? Mailchimp is where their abuse and other mailboxes are located. --srs From: mailop on behalf of Michael Peddemors via mailop Date: Thursday, 30 June 2022 at 2:05 PM To: mailop@mailop.org Subject: [mailop] Interesting question from a team memb

Re: [mailop] Microsoft Announces Tenant Trusted ARC Seal

Mailing lists adapted to spf long back, what hasn’t is the good old .forward and its more modern cousins that ask you to set a forward in email preferences on various webmail sites. From: mailop on behalf of Laura Atkins via mailop Date: Monday, 20 June 2022 at 4:46 AM To: Dave Crocker Cc: m

Re: [mailop] Spoofed Message Passing DMARC

The usual – X-OriginatorOrg: PatriciaFuchs59.onmicrosoft.com Farmed free trial accounts on office 365 being abused by affiliate spammers, generally with replayed dkim headers. Pretty high volume, ongoing for quite some time. From: mailop on behalf of

Re: [mailop] Help with identifying invalid email domains

Publicsuffix.org is a wonderful resource for the tlds But then the question of what a valid domain takes some interesting turns. Validate the mx and it is a parking domain whose mail traffic probably feeds a set of spamtraps? Or one of those trashmail type places that let you create an address

Re: [mailop] Anyone else seeing increase in iCloud rejections?

They’re prompter than that usually. You should get a reply soon. --srs From: mailop on behalf of Jarland Donnell via mailop Sent: Sunday, May 1, 2022 4:28:25 AM To: mailop@mailop.org Subject: Re: [mailop] Anyone else seeing increase in iCloud rejections? Of c

Re: [mailop] Anyone else seeing increase in iCloud rejections?

I hope you followed that url and emailed, asking why this block occurred? --srs From: mailop on behalf of Jarland Donnell via mailop Sent: Sunday, May 1, 2022 3:40:44 AM To: mailop@mailop.org Subject: [mailop] Anyone else seeing increase in iCloud rejections?

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

How would you correlate it to Russia? --srs From: mailop on behalf of Luis E. Muñoz via mailop Sent: Thursday, March 31, 2022 7:41:37 PM To: mailop Cc: Luis E. Muñoz Subject: Re: [mailop] [E] Traffic patterns related to Russian-Ukranian conflict On 30 Mar 202

Re: [mailop] Who runs emailowl.com / dnsowl.com?

Namesilo it is https://www.namesilo.com/Support/Troubleshooting-Custom-Name-Servers --srs From: mailop on behalf of Benoît Panizzon via mailop Sent: Sunday, November 14, 2021 7:00:11 PM To: mailop@mailop.org Subject: [mailop] Who runs emailowl.com / dnsowl.com

Re: [mailop] google at spamhaus

It is an xbl listing and that usually catches bot spam traffic. So unless some botnet found a way to abuse farmed or infected gmail accounts .. probably an FP I’d totally get the point (but not appreciate it despite the spam levels) if it were an SBL --srs From

Re: [mailop] Outlook for Mac email autofill

Do you have something that auto replies to spam? --srs From: mailop on behalf of John Lightfoot via mailop Sent: Friday, May 21, 2021 3:49:22 AM To: mailop@mailop.org Subject: [mailop] Outlook for Mac email autofill I don’t know if this is a bug or a feature,

Re: [mailop] Reg. delivery issues at Yahoo ISP

You might want to look at any other customers from the same or nearby IP ranges that aren’t sending transactional email? --srs From: mailop on behalf of Vaibhav via mailop Sent: Wednesday, May 12, 2021 10:02:52 PM To: mailop Subject: [mailop] Reg. delivery iss

Re: [mailop] What does "Abaca" mean?

A spam filtering startup founded by Steve Kirsch --srs From: mailop on behalf of Russell Clemings via mailop Sent: Monday, April 26, 2021 6:20:59 AM To: mailop Subject: [mailop] What does "Abaca" mean? Here's a question that I don't think has been asked here b

Re: [mailop] Reg. Virginmedia SMC Policy Violation bounce error

You might want to see which of your clients are causing this behaviour --srs From: mailop on behalf of Vaibhav via mailop Sent: Thursday, March 18, 2021 7:03:52 AM To: mailop Subject: [mailop] Reg. Virginmedia SMC Policy Violation bounce error Hi, We're an ES

Re: [mailop] Good Hosting Suggestions?

I agree that Linode is proactive and want to do the right thing. Cheap self provisioned hosting attracts a lot of abuse though and they have their work cut out for them --srs From: mailop on behalf of Allen Kitchen (zoominternet) via mailop Sent: Saturday, Feb

Re: [mailop] When RBLs go bad

A better question would be who here is actually using it on their servers. --srs From: mailop on behalf of André Peters via mailop Sent: Sunday, February 14, 2021 12:12:00 PM To: mailop@mailop.org Subject: [mailop] When RBLs go bad Hi, Have you guys already r

Re: [mailop] [E] Re: Some Days I think that Gmail isn't even trying to stop outbound spam..

I did talk to an individual some years back – yes, at a bar, believe it or not – who sincerely believed that the “junk” folder was a place where he could archive all his email that he wanted to keep but didn’t want to clutter his inbox. From: mailop on behalf of Zack Aab via mailop Date: Sat

Re: [mailop] Firefox Relay

Apple uses privaterelay.appleid.com for such emails. https://developer.apple.com/documentation/sign_in_with_apple/sign_in_with_apple_js/communicating_using_the_private_email_relay_service Spam handling is considerably minimised by the fact that only the app’s owners can communicate with their us

Re: [mailop] Contact for spamhaus listing DBL311598

Did you try to reach out to Spamhaus using their documented process? You will get an answer from them, though you may or may not like it. --srs From: mailop on behalf of Lyle Lamb via mailop Sent: Tuesday, December 29, 2020 4:36:47 AM To: mailop@mailop.org Sub

Re: [mailop] diagnosing me.com and mac.com rejections

If you have included the full error message and a copy of the bounce (or MTA logs) showing the reject, along with your IP space / hostnames etc, that should be enough for the team to check this for you. regards --srs From: Geoff Mulligan Date: Saturday, 28 November 2020 at 5:54 AM To: Suresh R

Re: [mailop] diagnosing me.com and mac.com rejections

The last section “contact us” in this page has instructions on how to reach out to Apple to resolve such blocks. If you’re a sender / esp please follow the best practices listed on that page before you reach out https://support.apple.com/en-asia/HT204137 -srs --srs

Re: [mailop] JSON mail server logs ?

Been around for at least 4 years now. https://blog.cadena-it.com/monitor-backup/exim-logstash-elasticsearch-kibana/ On 20/11/20, 3:44 PM, "mailop on behalf of Peter N. M. Hansteen via mailop" wrote: On Fri, Nov 20, 2020 at 08:01:36AM +, Andrew C Aitchison via mailop wrote: >

Re: [mailop] JSON mail server logs ?

I've seen stuff like this that converts postfix logs into json and exports them to elasticsearch https://nxlog.co/documentation/nxlog-user-guide/postfix.html On 20/11/20, 1:46 PM, "mailop on behalf of Andrew C Aitchison via mailop" wrote: The has been a request for Exim to have the abil

Re: [mailop] SSL Cert and Reputation Question

As a threat intel and anti spam person please thank your customer for the new idea, it sounds eminently workable --srs From: mailop on behalf of Tonya Gordon via mailop Sent: Friday, November 13, 2020 8:01:00 PM To: mailop@mailop.org Subject: [mailop] SSL Cert

Re: [mailop] Maximum message size

“be conservative in what yoyu send and generous in what you accept” has its uses when you separate your inbound and outbound mtas. Discuss. From: mailop on behalf of Sidsel Jensen via mailop Reply to: Sidsel Jensen Date: Saturday, 24 October 2020 at 5:50 PM To: mailop Subject: Re: [mailop] M

Re: [mailop] Maximum message size

Most if not all places ask that you use a file sharing solution - google drive, box etc for large files. --srs From: mailop on behalf of Adam Moffett via mailop Sent: Friday, October 23, 2020 11:17:00 PM To: mailop@mailop.org Subject: Re: [mailop] Maximum mess

Re: [mailop] Maximum message size

Some of the largest emails I’m seeing over the years are random spams with huge amounts of hashbuster text, that figure out that many spam filters will skip scanning overly large emails. Most regular users these days appear to know about and use file sharing services. --srs ___

Re: [mailop] Maximum message size

How many providers are going to accept 200 mb emails if you enable this and someone then tries to send one out? --srs From: mailop on behalf of Adam Moffett via mailop Sent: Friday, October 23, 2020 10:53:51 PM To: mailop@mailop.org Subject: [mailop] Maximum m

Re: [mailop] Adapter form IBM Notes to something more standard?

available? Thank you. Cheers, Dan On 23/09/2020 03:53, Suresh Ramasubramanian via mailop wrote: > If you're asking about just IMAP / SMTP over SSL both these are supported by Domino > > So if your users don't want to use the Notes client, that

Re: [mailop] Adapter form IBM Notes to something more standard?

If you're asking about just IMAP / SMTP over SSL both these are supported by Domino So if your users don't want to use the Notes client, that's just fine for most things (for example if their notes ID file needs to be renewed they can't do that with Thunderbird or Outlook). --srs On 23/09/20

Re: [mailop] firebasestorage.googleapis.com any legitimate uses?

Also page.link which seems to be a firebase hosted / google owned shortener Sample hxxps://fv01zz75.page.link/amTC redirecting to hxxp://dach-sovet.ru/opros?utm=2 On 27/08/20, 6:22 PM, "mailop on behalf of micah anderson via mailop" wrote: Hi, Benoit Panizzon via mailop writes:

Re: [mailop] spearphishing

Perfora is the mail platform for 1&1 - probably the largest webhost in Europe They appear to provide outbound mail relays for their hosted servers instead of allowing all of them to send directly over smtp --srs From: mailop on behalf of Eric Henson via mailop

Re: [mailop] BIMI pilot @ Google

Ramasubramanian Cc: mailop@mailop.org Subject: Re: [mailop] BIMI pilot @ Google On 7/25/2020 2:32 PM, Suresh Ramasubramanian via mailop wrote: > Oh, all I’m saying is that presenting the logo without a proper check or > after being fooled into a proper check would be a problem. And there’

Re: [mailop] BIMI pilot @ Google

Oh, all I’m saying is that presenting the logo without a proper check or after being fooled into a proper check would be a problem. And there’d be some creative ways (css? logo included at random other places in the friendly from? etc) spammers would look at mimicking such a logo --srs ___

Re: [mailop] BIMI pilot @ Google

You’re confusing authentication with reputation A spam domain that signs itself is just emitting signed spam On the other hand if your bank sends you authenticated mail that your server verifies you’re sure it is from their server and not from a hacked machine emitting bank phish --srs ___

Re: [mailop] anti-abuse policy in RIPE

Is there any point to it Jordi? The “we are not the internet police” crowd will make the same loud noises again and the initiative will be scuttled yet again. Why is continuing to bang one’s head against intransigence a good idea? From: mailop Date: Thursday, 2 April 2020 at 6:53 PM To: mailo

Re: [mailop] Spam from no-re...@sharepointonline.com via outbound.protection.outlook.com

lot more sophisticated and harder to lock down. --srs From: mailop Date: Sunday, 22 March 2020 at 2:16 PM To: mailop@mailop.org Subject: Re: [mailop] Spam from no-re...@sharepointonline.com via outbound.protection.outlook.com Am 22.03.20 um 08:37 schrieb Suresh Ramasubramanian via mailop

Re: [mailop] B2B Spam Filtering - Help

All 3 are the same outfit – mail.com – currently operated by GMX From: mailop Date: Wednesday, 18 March 2020 at 7:41 PM To: mailop@mailop.org Subject: [mailop] B2B Spam Filtering - Help Hi all, A client of mine has been consistently seeing spam folder placement at several B2B ISPs, specificall

Re: [mailop] Point of contact with mail.mil / reputation score issues

Having dealt with such a thing before your only way to go is to have the military entity within DoD your client interacts with use their internal processes to report a false positive block. Then hurry up and wait, as the old soldiers advice goes. --srs From:

Re: [mailop] Can someone write me a prescription for a sane MTA? I'm allergic to Postfix.

I can recommend sendmail. Or Lotus Domino. Either will work as an mta but more importantly they’ll cure you of your postfix allergy asap. That said I use Exim too, try it by all means - it is quite nice plus you don’t need to switch to Debian for it or use Debians rather idiosyncratic multifile

Re: [mailop] Blank emails to office 365

Headers and a sample body would be great (not hotmail or Microsoft here) --srs From: mailop on behalf of Tim Bray via mailop Sent: Tuesday, November 26, 2019 3:40 PM To: mailop@mailop.org Subject: [mailop] Blank emails to office 365 Hi, Weird problem. We hav

Re: [mailop] delivery problems from mimecast.com

Ask Nat Borenstein, he runs Mimecast :). That said there are plenty of free CAs available that should work for you. —srs From: mailop on behalf of Claus Assmann via mailop Sent: Wednesday, November 20, 2019 2:55 PM To: mailop@mailop.org Subject: [mailop] delive

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

On 24/10/19, 11:43 AM, "mailop on behalf of Thomas Walter via mailop" wrote: >Users can not be trusted to categorize emails. Not one user no. Neither can a single voter be trusted with the decision of who gets to rule a country. Yes sometimes the aggregate of all the voters - or all