[mailop] Microsoft blocking/spammarking messages
Hello, I was hoping someone from Microsoft could contact me offlist for help getting our server (66.151.17.22) removed from the Microsoft blacklist. I'm having problems sending to outlook.com/msn.com and others with domains hosted at office365. I can't find any issues with the server, and I don't appear to be on any other blacklists, but all messages to Microsoft are either getting rejected or sent to the spam folder. The mailserver has been at this IP for many many years, but these issues just started about 10 days ago. Any help would be appreciated. Error message; <<< 550 5.7.1 Unfortunately, messages from [66.151.17.22] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3150). You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. [BN8NAM12FT057.eop-nam12.prod.protection.outlook.com] The link does not appear to have any way for admins to view/remove the server from the blacklist. Thank you, Nate Burke Blast Communications ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
Re: [mailop] Microsoft and Verizon not acceping mail
We are not at that volume, but we regularly (every 3-4 weeks) have been having problems delivering to Microsoft products since about October. Always comes back with this error. 550 5.7.1 Unfortunately, messages from [66.151.17.22] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3150). You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. Of course that URL had no information about the S3150 block list, or any other helpful info. I was submitting a mail delivery problem request through their support forms at https://support.microsoft.com/en-us/supportrequestform/8ad563e3-288e-2a61-8122-3ba03d6b8d75 but those seem to not be working right now. Every previous submission was replied to with 'no problems found' and the block would continue for another day and then magically mail would start flowing again. Nate On 2/2/2021 9:29 AM, mailop--- via mailop wrote: Hi there, since yesterday I have experienced no mails getting through to Microsoft (Office-365, hotmail etc.) and Verizon (yahoo, aol). And since I ham having hundreds (or probably thousands) of undelivered mails in the queues at all times since this started to happen I wonder if I'm the only mail-operator around here who experiences the same right now. Also, their Support-Forms seem to be dysfunctional right now. ___ 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] Moving email server to new IP
I've had a small multi-domain business mail server running on the same IP for the last 20 years, I need to change the IP from an address in a reassigned IP block, to my own ARIN block. Is IP reputation still a big deal, or are anti-spam measures now content/quantity based and the IP address isn't as important anymore. Can I just flip the IP and update my DNS/SPFs and be good. Thanks, Nate ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
Re: [mailop] [EXTERNAL] Re: Moving email server to new IP
Are you talking moving to the new IP by mailbox, by domain, or some other metric? On 7/7/2022 2:04 PM, Jeff Dellapina via mailop wrote: Russell, As DJ mentioned… update your DNS records but include both platforms. Segment your data into most active, mid active, some active and not active. Focus sending to most and mid active off the new IP As you mentioned…. Send 10% of your most engaged recipients off the new platform and 90% off the old platform. After a day or two.. move 20% over to the new platform. Lather rinse and repeat until all email goes new and none goes old. Delete the DNS records for the old platform. Thanks, Jeff *From:* mailop *On Behalf Of *Russell Clemings via mailop *Sent:* Thursday, July 7, 2022 2:19 PM *To:* mailop *Subject:* [EXTERNAL] Re: [mailop] Moving email server to new IP How exactly does one ramp up the volume when migrating to a new mail server? I once asked an ISP and never got a real answer. I couldn't see how to send 10% to the new server today, 20% tomorrow, etc. On Thu, Jul 7, 2022, 11:14 AM DJ Anderson via mailop mailto:mailop@mailop.org>> wrote: Before putting it into service I would check it against the known blacklists. If its clear there and you have your rDNS,SPF,DMARC,DKIM records setup correctly you should be safe. That being said I usually monitor the logs of the newly online server\address to ensure it isn't getting blocked. My other recommendation would be to slowly ramp up message volume rather than just going from 0 to 10k messages a day if you can. That should help with the reputation as well. For checking black lists I like to use https://mxtoolbox.com/blacklists.aspx <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmxtoolbox.com%2Fblacklists.aspx&data=05%7C01%7Cjdellapina%40microsoft.com%7C4d57fb54ed3a48c5630208da6049a450%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637928166673653439%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=HsLENmTt6jJVSCGiXtpBnRiatFblyE%2FsjXpq40EyFk4%3D&reserved=0> DJ Anderson Techwebhosting - Original Message - From: "Nate Burke via mailop" mailto:mailop@mailop.org>> To: mailop@mailop.org <mailto:mailop@mailop.org> Sent: Thursday, July 7, 2022 1:41:32 PM Subject: [mailop] Moving email server to new IP I've had a small multi-domain business mail server running on the same IP for the last 20 years, I need to change the IP from an address in a reassigned IP block, to my own ARIN block. Is IP reputation still a big deal, or are anti-spam measures now content/quantity based and the IP address isn't as important anymore. Can I just flip the IP and update my DNS/SPFs and be good. Thanks, Nate ___ mailop mailing list mailop@mailop.org <mailto:mailop@mailop.org> https://list.mailop.org/listinfo/mailop <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Flist.mailop.org%2Flistinfo%2Fmailop&data=05%7C01%7Cjdellapina%40microsoft.com%7C4d57fb54ed3a48c5630208da6049a450%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637928166673653439%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=3b9gAgZIWj8ODrYNPyNPXjS5cyTFKH%2FsDHogtAisxHo%3D&reserved=0> ___ mailop mailing list mailop@mailop.org <mailto:mailop@mailop.org> https://list.mailop.org/listinfo/mailop <https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Flist.mailop.org%2Flistinfo%2Fmailop&data=05%7C01%7Cjdellapina%40microsoft.com%7C4d57fb54ed3a48c5630208da6049a450%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637928166673653439%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=3b9gAgZIWj8ODrYNPyNPXjS5cyTFKH%2FsDHogtAisxHo%3D&reserved=0> ___ 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] Only Yahoo deferring mail
I know it may be futile, but I thought I'd ask. Starting late Tuesday afternoon, Yahoo has started deferring all email from my server. All other internet domains are fine except for yahoo properties. There was no increase of mail from my server that I can find. The only messages in the outbound queue are waiting to be delivered to Yahoo, and are all legitimate messages. And there's only about 160 of them. The Yahoo error is just 'Messages from 66.151.xx.xx temporarily deferred due to unexpected volume or user complaints' There was no increase in mail volume on Tuesday before this error started. All IPv4 traffic SPF/DKIM seem to be functioning properly. I get the daily report from Yahoo DMARC and it reports that the Server IP Address passes SPF/DKIM Did Yahoo institute a new policy this week that I've missed setting up? Thanks, Nate Burke Blast Communications ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
Re: [mailop] Only Yahoo deferring mail
Thanks for the link. Server has been on this same IP Address for at least 15 years. I've opened a ticket yesterday with Yahoo on that link, I don't know how often it's monitored, I just submitted another one asking for an update. Of course, users are starting to notice that their emails are not going through to yahoo since they're getting failed delivery notices, which causes them to create test emails, which increases the number in the queue waiting to be delivered to Yahoo T code is TSS04 67.195.228.106 15:44:56 Client session <<< 421 4.7.0 [TSS04] Messages from 66.151.17.22 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes Thanks, Nate On 10/29/2022 1:03 PM, Al Iverson via mailop wrote: Go submit a ticket here - https://senders.yahooinc.com/contact I assume there's a TS04 code in that error message. It is indeed likely due to user complaints, but they have something of a hair trigger for IPs not known to them. They ought to be able to get you sorted out. Assuming you have a limited number of DKIM domains in play, register them all with the Yahoo feedback loop. Find info on that same website. The Yahoo FBL is DKIM-based. It's meant for big bulk senders, but I suspect it may give you a modest boost when it comes to reputation. More importantly, you'll be able to see which goober is complaining about legit mail. Assuming you're very low volume and not an ESP/CRM platform, you're probably wondering where should FBL complaints go? In my case, I just have them sent to an alias at my domain that for now comes to me for manual review. With the intent that if it grows too big to handle, I can redirect the alias to automation later. It works fine; I get the occasional complaint about a jazz newsletter I send out and I just manually unsubscribe anyone who complains. Is this new? Yahoo does adjust filters regularly but overall this kind of issue/process is not really anything new. This isn't futile; it's easily fixable. It can just feel a bit overwhelming or unfair for smaller or hobby senders. Regards, Al Iverson On Sat, Oct 29, 2022 at 10:39 AM Nate Burke via mailop wrote: I know it may be futile, but I thought I'd ask. Starting late Tuesday afternoon, Yahoo has started deferring all email from my server. All other internet domains are fine except for yahoo properties. There was no increase of mail from my server that I can find. The only messages in the outbound queue are waiting to be delivered to Yahoo, and are all legitimate messages. And there's only about 160 of them. The Yahoo error is just 'Messages from 66.151.xx.xx temporarily deferred due to unexpected volume or user complaints' There was no increase in mail volume on Tuesday before this error started. All IPv4 traffic SPF/DKIM seem to be functioning properly. I get the daily report from Yahoo DMARC and it reports that the Server IP Address passes SPF/DKIM Did Yahoo institute a new policy this week that I've missed setting up? Thanks, Nate Burke Blast Communications ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
