Re: [mailop] Trouble sending to sympatico.ca
On 7/31/22 11:38 AM, Michael Rathbun via mailop wrote: Since you have included none of the information that might have been used by the receiving system (your IP? Your HELO string? The domain in the envelope? Any domains referenced in the body?) ... Fair point: The sending domain is annbauer.com, mx is hosted by mx.oustrencats.com. IP addresses: root@giraffe:~# host mx.oustrencats.com mx.oustrencats.com has address 50.116.29.164 mx.oustrencats.com has IPv6 address 2600:3c00:e000:323::1 I am not positive on the HELO string, as postfix isn't logging that, but I would guess it is mx.oustrencats.com with envelope from x...@annbauer.com Again, DKIM, SPF, DMARC and reverse DNS are set up properly enough to get mail delivered to google. Not sure what you mean about domains referenced in the body, someone contacted my wife and she was replying. Thanks! John ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
Re: [mailop] Trouble sending to sympatico.ca
On 7/31/22 8:55 AM, Suresh Ramasubramanian via mailop wrote: Why is it deferred when you get a 554? Probably a spam block on your IP or domain name with that generic an error I'm not sure why my server defers on 554, that's the default config for postfix I think. Anyways, that is my server, not sympatico.ca Usually providers provide info on the block, with details on how to get removed if you are legit etc. This error is very unfriendly... John ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
[mailop] Trouble sending to sympatico.ca
Hello, I just got a bounce from sympatico.ca that I don't understand: Jul 31 04:20:41 giraffe postfix/qmgr[2366]: 841B53C6CD: from=, size=7809, nrcpt=1 (queue active) Jul 31 04:20:41 giraffe postfix/smtp[526159]: 841B53C6CD: to=, relay=mx.sympatico.ca[209.71.212.24]:25, delay=433213, delays=433213/0.02/0.15/0, dsn=4.0.0, status=de ferred (host mx.sympatico.ca[209.71.212.24] refused to talk to me: 554 Access Denied) Jul 31 04:20:41 giraffe postfix/qmgr[2366]: 841B53C6CD: from=, status=expired, returned to sender It had been in the queue for a week or so, and finally bounced. I don't see any details in the error message. I have a very small mail server (just my wife and I) but it is configured with reverse DNS, SPF, DKIM and DMARC. I can send to the big players without bouncing or ending in the spam folder. Any ideas? Thanks! John ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
Re: [mailop] Microsoft/Linode issue resolved
On 1/23/22 9:42 AM, John Gateley via mailop wrote: 3. After several tries, the Office365 mitigation process just stopped working. After the forward I receive an email saying "we will respond in 24 hours". The first few times, this incuded a link to the Office365 delisting process. But at some point, Microsoft stopped responding. I would get the "we will respond" email, but never anything more. It was blamed on huge traffic from Linode, but that wasn't the case (as it happened several times over many days and I NEVER got a response). Just to follow up, the responses are now coming in, 16 days after I did the original forward. John ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
[mailop] Microsoft/Linode issue resolved
Hi y'all, I resolved my Microsoft blocking my Linode IPv4 address issue. I posted several times here as it was happening, so this is a recap: Microsoft's mitigation process is fragile and complex, perhaps intentionally. 1. It requests forwarding the bounce message. My mailer (standard Dovecot + Postfix) adds a couple of attachments to the message. Microsoft will reject messages with attachments and not do anything. So you must remove the attachments before forwarding. 2. Microsoft's mitigation process handles both Office365 issues and outlook.com etc issues. They seem to make no distinction in the error messages. My bounces indicated it was an Office365 issue, but I followed that process several times with no result. Finally, I filed an outlook.com delisting ticket, and after some back and forth they delisted me. I wish Microsoft had a better system for communicating WHICH platform is blocking and the process for that platform. 3. After several tries, the Office365 mitigation process just stopped working. After the forward I receive an email saying "we will respond in 24 hours". The first few times, this incuded a link to the Office365 delisting process. But at some point, Microsoft stopped responding. I would get the "we will respond" email, but never anything more. It was blamed on huge traffic from Linode, but that wasn't the case (as it happened several times over many days and I NEVER got a response). I truly appreciate the help I received from this list, and it is fantastic that there are Microsoft, Linode (and other companies) people here contributing. That made it easier for me to find the solution. Linode has a mediocre reputation (I think this is undeserved) for IP cleanliness. I contacted Linode and they offered me an IP address known to be clean w/r/t Microsoft filtering. Changing a mailer's IP address is a dramatic operation so I haven't yet decided to go through with this. But they were professional, helpful, and I have been using them for 15+ years, and probably close to 10 on my current IPv4 address. The reason I think their reputation is undeserved: I asked for better hosters, and did receive some recommendations. I checked these, calling one and speaking with Sales, and reading the websites of the others. They had no special restrictions or filters regarding email, the sales person I spoke to just said "we don't allow spammers". My guess is that they are cleaner IP addresses mostly because they are smaller, and spammers don't flock to them. Linode has been pretty good to me, and very responsive. There seems to be a pile-on attitude regarding them as mail servers, and in my opinion it is undeserved. Thanks to all who contributed and helped me! John ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
Re: [mailop] Microsoft/Lindo - junked,not blocked
Hi Alex, and thank you for responding. I went to that form, entered the info, got the confirmation email, and then when I do step 3 to unblock, it says: The IP address in question is not currently blocked in our system. Please refer to the email message you received from Microsoft and follow the steps it suggests. I had done these steps several times (with the same results) several days ago, but stopped when the "forward" stopped getting responses. Reading between the lines, I think the response to the forward is a standard "click here" message without any actual investigation, and just takes you to that link. The full error message (sorry, should have put this in before) says: microsoft-com.mail.protection.outlook.com[104.47.54.36] said: 550 5.7.511 Access denied, banned sender[50.116.29.164]. To request removal from this list please forward this message todel...@messaging.microsoft.com. For more information please go to http://go.microsoft.com/fwlink/?LinkId=526653. AS(1410) [DM3NAM06FT011.Eop-nam06.prod.protection.outlook.com] (in reply to RCPT TO command) This looks like Outlook to me, not Office 365. I will try the support ticket referenced at the tail end of the Office 365 process. Thanks again for the response. John On 1/17/22 1:32 PM, Alex Irimia via mailop wrote: Hi John, The error message you've referenced is related to Office365 domains, not Outlook. You should be able to unblock your IP on this form: https://sender.office.com/ On Mon, Jan 17, 2022 at 7:56 PM John Gateley via mailop wrote: Hello, Thanks to a helpful message from Hetzner, I signed up for Microsoft SNDS. According to SNDS my IP address is not blocked, but is "Junked due to user complaints or other evidence of spamming" I still get 550 5.7.511 Access denied, banned sender[50.116.29.164] every time I send to a Microsoft Outlook address. I forward the bounce, as instructed, get the "we will respond in 24 hours" response, but then nothing. My server is very small, just my wife and I, and we do not spam ever. The "junked" is due to someone else in a close by IP address. I don't have enough information to open a ticket, I think. Any suggestions for a next step? Thanks! John ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop -- Regards, Alex Irimia Postmastery *Email Infrastructure, Analytics, DMARC and Deliverability* Amsterdam, NL/Paris, FR T: +31 20 261 0438 M: +40 757 192 953 SKYPE: alex-irimia PS: If you are happy with our service, a review on Trustpilot <https://ca.trustpilot.com/review/postmastery.com> would be greatly appreciated. ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
Re: [mailop] Best hosting platform was Re: [EXTERNAL] Microsoft IP Filtering - sort of full details
On 1/17/22 11:47 AM, John Levine via mailop wrote: Some of us have limited enthusiasm for providing free consulting to organizations who for whatever reason don't manage their users' misbehavior. My opinion about Linode is that it's not the worst but it's far from the best. I use a small hosting provider called Tektonic that nobody has ever heard of because nobody sees spam from them. They have a fairly hard-nosed outgoing mail policy, it all goes through "transparent" filters unless you can give them a sensible reason to turn the filters off. I am not really an "organization", just a long time IT person who has hosted my own server for many years. It is true I do not manage my user's behavior: my only user is my wife, and it would not lead to a happy marriage if I tried to manage her behavior. But the server only hosts the two of us, no mailing lists or other users. It is incredibly small volume, and we don't bulk email anyone for any reason. Thank you VERY much for the Tektonic recommendation. John ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
[mailop] Microsoft/Lindo - junked,not blocked
Hello, Thanks to a helpful message from Hetzner, I signed up for Microsoft SNDS. According to SNDS my IP address is not blocked, but is "Junked due to user complaints or other evidence of spamming" I still get 550 5.7.511 Access denied, banned sender[50.116.29.164] every time I send to a Microsoft Outlook address. I forward the bounce, as instructed, get the "we will respond in 24 hours" response, but then nothing. My server is very small, just my wife and I, and we do not spam ever. The "junked" is due to someone else in a close by IP address. I don't have enough information to open a ticket, I think. Any suggestions for a next step? Thanks! John___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
Re: [mailop] Best hosting platform was Re: [EXTERNAL] Microsoft IP Filtering - sort of full details
[Trimming most of the message] On 1/16/22 9:27 PM, Aaron C. de Bruyn via mailop wrote: The important part in that statement is "via mailop". The mailing list accepted and re-distributed the message. If you tried to email Noel directly, it probably wouldn't go through. Noel isn't the only one who blocks linode. -A As I said in my original message, everyone talks about how Linode (or any platform) is terrible, but nobody makes positive suggestions. How about helping out, instead of just criticizing? John ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
Re: [mailop] Best hosting platform was Re: [EXTERNAL] Microsoft IP Filtering - sort of full details
Hi Noel, Excerpting from my original message in this thread: "I have seen on this list ... Linode is terrible... I have never seen 'Platform X is great..'" You have now said the first, how about contributing to the latter? John On 1/16/22 8:52 PM, Noel Butler via mailop wrote: You dont send to us then :) There are a few ranges of linode's blocked here On 17/01/2022 12:43, Mary via mailop wrote: I'm hosted at linode and I manage 100+ mail servers there. To be honest, I would highly suggest linode for mail server hosting, since over the past 6 years, this is the first time I encountered a problem. No blocks, emails to gmail/hotmail/yahoo go to inbox, never being blocked by spamhaus and the servers are super fast. Their API is their selling point, since I can manage my own servers with my own tools (ansible in this case). This recent incident with Microsoft is a sore spot and so far a unique occurrence. On Sun, 16 Jan 2022 20:23:46 -0600 John Gateley via mailop wrote: I did misunderstand Michael's reply, but not in the manner you suggest. He contacted kindly off list and mentioned a huge backlog of items to be processed. Since you bring it up, I have seen on this list several times Linode is terrible for hosting mailservers I have also seen that for other hosting platforms (AWS for instance). I have never seen someone say "platform X is fantastic at hosting mailservers". Is there a platform that doesn't instantly provoke the response: "Well, of course they are blocking you, you are on platform X"? Thanks John ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop -- Regards, Noel Butler This Email, including attachments, may contain legally privileged information, therefore at all times remains confidential and subject to copyright protected under international law. You may not disseminate this message without the authors express written authority to do so. If you are not the intended recipient, please notify the sender then delete all copies of this message including attachments immediately. Confidentiality, copyright, and legal privilege are not waived or lost by reason of the mistaken delivery of this message. ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
Re: [mailop] [EXTERNAL] Microsoft IP Filtering - sort of full details
The bounce message is immediate. The response to the forward is immediate. I have gotten the next step after the forward twice, once it took 4 hours, once it took 6. Both of these are in the past 3 or 4 days. It's now been 12 without that. I don't think you can blame this on a linode IP delaying responses, since the response when I forward is immediate. This is something on the Microsoft side. As said below, I will try again tomorrow with a different from and to address. John On 1/12/22 8:47 PM, Michael Wise via mailop wrote: LiNode IP. Responses are … delayed. Aloha, Michael. -- *Michael J Wise* MicrosoftCorporation| Spam Analysis "Your Spam Specimen Has Been Processed." Open a ticket for Hotmail <http://go.microsoft.com/fwlink/?LinkID=614866> ? *From:* mailop *On Behalf Of *John Gateley via mailop *Sent:* Wednesday, January 12, 2022 5:39 PM *To:* mailop@mailop.org *Subject:* [EXTERNAL] [mailop] Microsoft IP Filtering - sort of full details Hello, As promised yesterday, I am posting the full details of Microsoft blocking my mail server. This time, however, my forwarded message was just ignored - no bounce, but no followup email with a "click to remove". The details are below: I sent an email from my mailserver (mx.oustrencats.com) from email address @JohnGateley.com to @luriellp.com I instantly received a bounce message. The gist is here, but I will attached the full (redacted) bounce message (bounce.txt) <mailto:mbr...@luriellp.com>: host luriellp-com.mail.protection.outlook.com[104.47.57.138] said: 550 5.7.511 Access denied, banned sender[50.116.29.164]. To request removal from this list please forward this message todel...@messaging.microsoft.com. For more information please go to http://go.microsoft.com/fwlink/?LinkId=526653 <https://nam06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgo.microsoft.com%2Ffwlink%2F%3FLinkId%3D526653=04%7C01%7Cmichael.wise%40microsoft.com%7Ce3ae7c01269e44bf466b08d9d635ecb3%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637776349410435398%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000=t7Bu%2BeSeyruyjaQaiAIs5VAKFbhVeR3X6mZ502Ab1HA%3D=0>. AS(1410) [DM6NAM11FT045.eop-nam11.prod.protection.outlook.com] (in reply to RCPT TO command) As requested, I forwarded the message on. *Minor issue: forwarding created a message with two attachments, I had to delete these attachments before sending in order to get the proper response from Microsoft. *I received the standard reply a little while later, with a ticket ID (available on request, I probably shouldn't post that publically). At this point, after 2-4 hours I usually get a "click to delist" email. I did not today, nothing at all. And it has been close to 12 hours now. I will try again tomorrow with a different from and to address to see if I can get more info. *But just dropping my delist request in the bitbucket shouldn't happen. *Thanks John ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
[mailop] Microsoft IP Filtering - sort of full details
Hello, As promised yesterday, I am posting the full details of Microsoft blocking my mail server. This time, however, my forwarded message was just ignored - no bounce, but no followup email with a "click to remove". The details are below: I sent an email from my mailserver (mx.oustrencats.com) from email address @JohnGateley.com to @luriellp.com I instantly received a bounce message. The gist is here, but I will attached the full (redacted) bounce message (bounce.txt) : host luriellp-com.mail.protection.outlook.com[104.47.57.138] said: 550 5.7.511 Access denied, banned sender[50.116.29.164]. To request removal from this list please forward this message todel...@messaging.microsoft.com. For more information please go to http://go.microsoft.com/fwlink/?LinkId=526653. AS(1410) [DM6NAM11FT045.eop-nam11.prod.protection.outlook.com] (in reply to RCPT TO command) As requested, I forwarded the message on. *Minor issue: forwarding created a message with two attachments, I had to delete these attachments before sending in order to get the proper response from Microsoft. *I received the standard reply a little while later, with a ticket ID (available on request, I probably shouldn't post that publically). At this point, after 2-4 hours I usually get a "click to delist" email. I did not today, nothing at all. And it has been close to 12 hours now. I will try again tomorrow with a different from and to address to see if I can get more info. *But just dropping my delist request in the bitbucket shouldn't happen. *Thanks John ** **Return-Path: <> X-Original-To: j...@johngateley.com Delivered-To: j...@johngateley.com Received: by mx.oustrencats.com (Postfix) id 9E91D307DB; Wed, 12 Jan 2022 13:58:15 + (UTC) Date: Wed, 12 Jan 2022 13:58:15 + (UTC) From: mailer-dae...@mx.oustrencats.com (Mail Delivery System) Subject: Undelivered Mail Returned to Sender To: j...@johngateley.com Auto-Submitted: auto-replied MIME-Version: 1.0 Content-Type: multipart/report; report-type=delivery-status; boundary="B85F62C6A1.1641995895/mx.oustrencats.com" Content-Transfer-Encoding: 8bit Message-Id: <20220112135815.9e91d30...@mx.oustrencats.com> This is a MIME-encapsulated message. --B85F62C6A1.1641995895/mx.oustrencats.com Content-Description: Notification Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit This is the mail system at host mx.oustrencats.com. I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below. For further assistance, please send mail to postmaster. If you do so, please include this problem report. You can delete your own text from the attached returned message. The mail system : host luriellp-com.mail.protection.outlook.com[104.47.57.138] said: 550 5.7.511 Access denied, banned sender[50.116.29.164]. To request removal from this list please forward this message to del...@messaging.microsoft.com. For more information please go to http://go.microsoft.com/fwlink/?LinkId=526653. AS(1410) [DM6NAM11FT045.eop-nam11.prod.protection.outlook.com] (in reply to RCPT TO command) --B85F62C6A1.1641995895/mx.oustrencats.com Content-Description: Delivery report Content-Type: message/delivery-status Reporting-MTA: dns; mx.oustrencats.com X-Postfix-Queue-ID: B85F62C6A1 X-Postfix-Sender: rfc822; j...@johngateley.com Arrival-Date: Wed, 12 Jan 2022 13:58:14 + (UTC) Final-Recipient: rfc822; x...@luriellp.com Original-Recipient: rfc822;x...@luriellp.com Action: failed Status: 5.7.511 Remote-MTA: dns; luriellp-com.mail.protection.outlook.com Diagnostic-Code: smtp; 550 5.7.511 Access denied, banned sender[50.116.29.164]. To request removal from this list please forward this message to del...@messaging.microsoft.com. For more information please go to http://go.microsoft.com/fwlink/?LinkId=526653. AS(1410) [DM6NAM11FT045.eop-nam11.prod.protection.outlook.com] --B85F62C6A1.1641995895/mx.oustrencats.com Content-Description: Undelivered Message Content-Type: message/rfc822 Content-Transfer-Encoding: 8bit Return-Path: Received: from [192.168.1.240] (unknown [66.85.230.183]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mx.oustrencats.com (Postfix) with ESMTPSA id B85F62C6A1 for ; Wed, 12 Jan 2022 13:58:14 + (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=johngateley.com; s=mail; t=1641995894; bh=Hs1p96Jr9I4B4T5ZXve9x2AIZ0gFpZe/aoln0Ww07ko=; h=Date:To:From:Subject:From; b=Kab7hGqrn/ItZx5VDE7VPnDwiltaR+MQw/E5gZpjfXgjswAyX2Oh/aLhDCbEVuhQh wR07hmXn9J+ZRw5tLsWkwK5aEQx9EkOg78yECGQHuyiOtgEPwdaOMoMT668kENkJsw ENsyAIbQzizcf0OMmT8pJtYvD1ES+YG2q4KItbLc= Message-ID: <6236bc2c-2324-c7aa-1c74-5461d6564...@johngateley.com> Date: Wed, 12 Jan 2022 08:58:13 -0500
Re: [mailop] blocked by microsoft -- support procedure?
On 1/11/22 2:21 PM, Michael Peddemors via mailop wrote: On 2022-01-11 11:04 a.m., Mark G Thomas via mailop wrote: Here's an example from one ticket, however I'm more looking for whether there is anything I can do to facilitate improving this overall, then starting trying to intervene about (many!) specific tickets and IPs. I would be happy to help with more details off-list, if so requested. I also could relay suggestions or procedural instructions to our support group. redac...@enlogic.gr: host enlogic-gr.mail.protection.outlook.com[104.47.17.74] said: 550 5.7.511 Access denied, banned sender[172.104.233.127]. To request removal from this list please forward this message to del...@messaging.microsoft.com. For more information please go to http://go.microsoft.com/fwlink/?LinkId=526653. AS(1410) [DB8EUR05FT065.eop-eur05.prod.protection.outlook.com] (in reply to RCPT TO command) Mark No comments on Linode spamming, but looking at this, have to comment. host enlogic.gr enlogic.gr has address 172.105.85.167 enlogic.gr mail is handled by 0 enlogic-gr.mail.protection.outlook.com host 172.104.233.127 127.233.104.172.in-addr.arpa domain name pointer extmail.enlogic.gr If microsoft thinks that the email server for that domain is their infrastructure, why would they accept any email from outside MS with that domain, if it isn't authenticated. The rejection message looks pretty clear.. banned sender. What is the address in the MAIL FROM, it looks liek @enlogic.gr? The mail is being sent by 172.104.233.127, enlogic.gr is the recipient. I too am having this issue, (also a linode customer, but no support tickets from me). I'll be posting more details later. John ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
Re: [mailop] spamhaus blocking Linode IPv6 (2a01:7e01)
On 11/25/21 12:18 PM, Jay Hennigan via mailop wrote: It's not a Spamhaus problem. Linode is beyond stupid. Linode has over four billion /64s. The rest of the Internet treats a /64 as a single user or subnet. Linode should be allocating each customer subnet a /64 as a minimum. If you're a Linode customer, demand a /64. Point them here: https://datatracker.ietf.org/doc/html/rfc7421 There's some questionable info on this thread. Linode uses SLAAC to assign a single IPv6 to each linode, but gives out /64 blocks on request https://www.linode.com/docs/guides/linux-static-ip-configuration/ They recommended to me to use a /64 address and not the SLAAC address for my servers, including the mail server. No charge. You don't have to demand, just submit a support ticket as the docs say. I ran into this problem a couple of years ago, switching to the /64 block resolved it. It wasn't a huge deal. John ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
Re: [mailop] Google not sending DMARC Aggregate Reports
I checked, last one I received was some time on Oct 2nd. I am getting others though. Weird. John On 10/8/21 3:38 PM, Omar, Ali via mailop wrote: Hello Everyone, Google abruptly stopped sending DMARC Aggregate reports. No RUA reports have been sent since Oct. 3rd. Seems strange that not much has been said about this issue. Can someone offer any information on why this is happening? I would appreciate any insight. Thank you, Ali ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
[mailop] Microsoft contact for misclassified spam issue?
Hi y'all, I am using a user auth SaaS, and one of the actions it performs is sending "Reset your password" emails. These emails have links inside for users to reset their passwords. Delivery to most places is working (Google etc.) but Microsoft Office 365 users are consistently getting their emails in the junk folder. I have tried everything I can think of... is there a contact at Microsoft here that could give me a hand? Thank you John ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
[mailop] Messages from small personal SMTP server being marked as junk by Google
Hello, I have run my own mail server for about 20 years. It is postfix, and has DNS, SPF and DKIM set up correctly. It is very small, just serving mail for my wife and I. She recently sent email to a group of students for a class she is teaching, she had e-mailed none of them before. Most of them had gmail addresses, and most, if not all, had my wife's e-mail sent to junk. There were 19 recipients on the To: line. 15 of the recipients were gmail addresses. Any ideas why? Or how I fix it? The mail server is too small (much much less than 100 messages per day) so I cannot check Gmail's tools for this. Thanks John ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
Re: [mailop] Gmail marking email from me as spam
On 10/7/19 4:38 PM, Brandon Long via mailop wrote: Also, it's hard to optimize for the servers that send us one message a day. I've argued before that we should have better handling for the smallest servers (whitelist the first 5 messages/day for low volume IPs, for example), but the total volume compared to the effort against the major spam campaigns, it's hard to get that high enough on the priority list. We did make some changes for that for smtp time blocking, but it doesn't move any of our numbers because the number of messages affected is tiny... and when you're talking about IPv6, even small numbers like that can result in large enough holes for spam campaigns. Hi Brandon, Thank you for responding here. I would love if Google could support the smallest servers better. I run my own mailserver for my wife and I, and usually it is okay. But the tools available from Google require hundreds of messages a day, and we probably hit 20 on a very active day. And a very technical question: I changed my SPF records to allow a second server, and that seemed to change my reputation - messages then started going to spam. Is that the cause? (I was updating to a new version of the OS, and the process involved moving to a new server and then back again. I need to do this upgrade again sometime and don't want to destroy my reputation again). Again, mostly, thanks for jumping in here. John ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop