Re: [mailop] t-online.de outage?

On 9 Jun 2020, at 12:13, Al Iverson via mailop wrote: Thanks. I sent them a note myself, for what little good it'll do right now. I included the sending IPs mentioned here, just to help give them examples. Anybody else who is bored, feel free to share your telnet test results, It'll be

Re: [mailop] t-online.de outage?

On Tue, June 9, 2020 08:30, Jon Morby \(Fido\) via mailop wrote: > Well they've responded, but weren't very helpful ... I don't think they > see a problem :( I don't doubt that. They blocked my new IP space because my unassigned, unused, not pingable, nobody home yet addresses did not have a

Re: [mailop] t-online.de outage?

It looks like whatever the problem was, they’ve fixed it – at least for us   Thanks guys     Jon Morby www.fido.net     From: Luis E. Muñoz via mailop Sent: 09 June 2020 17:37 To: mailop@mailop.org Subject: Re: [mailop] t-online.de outage?   On 9 Jun 2020, at 9:13, Michael Peddemors via mailop

Re: [mailop] t-online.de outage?

In article <73D3981A-7093-4B6F-B2D0-4F93D6201716@lem.click>, Luis E. Muñoz via mailop wrote: >Same here on an IPv4 allocated from Digital Ocean NY1 location. I don't >think this host has sent a single piece of email to those servers in at >least a couple months. DO gushes spam so I wouldn't

Re: [mailop] t-online.de outage?

On 9 Jun 2020, at 9:13, Michael Peddemors via mailop wrote: Hehehe.. testing from a Digital Ocean IP might NOT be the best .. You would be surprised. Maybe they using GEO IP blocking UNLESS on an internal whitelist? Usually only see that on IPv6 ports, but maybe that is what we are

[mailop] [OFFLIST] For the record..

Working example.. telnet mx01.t-online.de 25 Trying 194.25.134.72... Connected to mx01.t-online.de. Escape character is '^]'. 220-mailin82.aul.t-online.de T-Online ESMTP receiver fssmtpd2025 ready. 220 T-Online ESMTP receiver ready. QUIT 221-2.0.0 mailin82.aul.t-online.de closing. 221 2.0.0

Re: [mailop] t-online.de outage?

On Tue, 9 Jun 2020 11:13:34 -0500 Al Iverson via mailop wrote: > Anybody else who is bored, feel free to share your telnet test > results From the very same server, I get different results depending on which local IP address I bind to. If I bind to an IP address which regularly sends email

Re: [mailop] t-online.de outage?

Hehehe.. testing from a Digital Ocean IP might NOT be the best .. But anyone getting a sense from the reports so far that this might be GEO IP restrictions at the edge? Maybe they using GEO IP blocking UNLESS on an internal whitelist? Usually only see that on IPv6 ports, but maybe that is

Re: [mailop] t-online.de outage?

Thanks. I sent them a note myself, for what little good it'll do right now. I included the sending IPs mentioned here, just to help give them examples. Anybody else who is bored, feel free to share your telnet test results, It'll be good to have more data to share. Cheers, Al Iverson On Tue,

Re: [mailop] t-online.de outage?

I did contact the supplied email address ...   They weren’t overly helpful ... I’ve provided more info and am still waiting for a response ... it doesn’t appear to be an issue with our setup though, at least as far as I can tell.     Jon Morby www.fido.net     From: Jakub Olexa via mailop Sent:

Re: [mailop] t-online.de outage?

On 9 Jun 2020, at 8:40, Jon Morby (Fido) via mailop wrote: The forward and reverse on our mail servers matches one of my test boxes (on my home network) was new and didn’t have matching reverse, but that the other machines I’ve tried from all have matching forward/reverse and they’re

Re: [mailop] t-online.de outage?

Working here: $ telnet mx01.t-online.de 25 Trying 194.25.134.72... Connected to mx01.t-online.de. Escape character is '^]'. 220-mailin71.aul.t-online.de T-Online ESMTP receiver fssmtpd2025 ready. 220 T-Online ESMTP receiver ready. quit 221-2.0.0 mailin71.aul.t-online.de closing. 221 2.0.0

Re: [mailop] Anyone from Cox around?

Nobody from Cox around? From: mailop [mailto:mailop-boun...@mailop.org] On Behalf Of Michael Ellis via mailop Sent: Friday, May 29, 2020 12:23 PM To: mailop@mailop.org Subject: [mailop] Anyone from Cox around? ___ mailop mailing list

Re: [mailop] t-online.de outage?

I guess following the guidance would not hurt - contact the email mentioned. Could be something routing related? Jakub Olexa Founder & CEO E-mail: ja...@mailkit.com Tel: +420 777 744 440 Mailkit - Closing the circle between Deliverability and Engagement

Re: [mailop] t-online.de outage?

> > To all doing a telnet test (from a non-dynamic IP), is anyone NOT > getting that 554 error? $ telnet mx01.t-online.de 25 Trying 194.25.134.72... Connected to mx01.t-online.de. Escape character is '^]'. 220-mailin85.aul.t-online.de T-Online ESMTP receiver fssmtpd2025 ready. 220 T-Online ESMTP

Re: [mailop] t-online.de outage?

The forward and reverse on our mail servers matches one of my test boxes (on my home network) was new and didn’t have matching reverse, but that the other machines I’ve tried from all have matching forward/reverse and they’re still being rejected before EHLO / etc   For example (and the

Re: [mailop] t-online.de outage?

Hi, strangely enough we've see only one such error in he past week and that came from a remote bounce. Since you have already checked the rDNS my guess is that CSA whitelisting gets us past this issue. Jakub Olexa Founder & CEO E-mail: ja...@mailkit.com Tel: +420 777

Re: [mailop] t-online.de outage?

From a static IP with a properly aligned A <<>> PTR.. telnet mx01..t-online.de 25 Trying 194.25.134.72... Connected to mx01.t-online.de. Escape character is '^]'. 554 IP=104.128.144.8 - A problem occurred. (Ask your postmaster for help or to contact t...@rx.t-online.de to clarify.) (BL)

Re: [mailop] t-online.de outage?

I'm getting that same error here. telnet mx01.t-online.de 25 Trying 194.25.134.72... Connected to mx01.t-online.de. Escape character is '^]'. 554 IP=206.125.175.2 - A problem occurred. (Ask your postmaster for help or to contact t...@rx.t-online.de to clarify.) (BL) Connection closed by foreign

Re: [mailop] t-online.de outage?

We also had a problem with them (One of our ISP email clusters) , a case where we had two (2) PTR records, and two A Records, but either their lookup, or their 3rd party tools weren't smart enough to check each entry to find a A <<>> PTR match... When contacted, they responded by saying that

Re: [mailop] t-online.de outage?

Well they've responded, but weren't very helpful ... I don't think they see a problem :( It certainly looks like a misconfiguration to me tbh Michael Rathbun via mailop wrote on 09/06/2020 03:59: On Tue, 09 Jun 2020 04:35:40 +0200, Ralph Seichter via mailop wrote: 554 IP=47.190.44.19 - A

Re: [mailop] G Suite Support - Deliverability Issues

On Mon, 2020-06-08 at 19:12 +, Kotlikov, Anna via mailop wrote: > Hello, > > Is there anyone here I can speak to from G Suite support? If you are a paying G-Suite customer then you are entitled to comprehensive support from Google, which you can access via your dashboard or via the details