Re: IPv6 connectivity to mx[1-4].smtp.goog.

On Tue, Feb 27, 2024 at 12:03 PM 𝑀𝒶𝓇𝒸𝑜 𝒟𝒶𝓋𝒾𝒹𝓈 via NANOG wrote: > > Op 27-02-24 om 16:22 schreef Brotman, Alex: > > > We are seeing the same, > > Thanks. > > > You may also want to ask the mailop list. > > > I was about to do that, when I noticed that the problem seems solved. sorry about the nois

Re: IPv6 connectivity to mx[1-4].smtp.goog.

Op 27-02-24 om 16:22 schreef Brotman, Alex: We are seeing the same, Thanks. You may also want to ask the mailop list. I was about to do that, when I noticed that the problem seems solved. -- 𝑀𝒶𝓇𝒸𝑜

RE: IPv6 connectivity to mx[1-4].smtp.goog.

list. -- Alex Brotman Sr. Engineer, Anti-Abuse & Messaging Policy Comcast > -Original Message- > From: NANOG > On Behalf Of Marco Davids (Private) via NANOG > Sent: Tuesday, February 27, 2024 8:03 AM > To: nanog@nanog.org > Subject: IPv6 connectivity to mx[1-4].smtp.goo

IPv6 connectivity to mx[1-4].smtp.goog.

Hi, At https://internet.nl we're seeing IPv6 connection issues on TCP port 25 (SMTP) to mx[1-4].smtp.goog. Either 100% DROP (so no TCP connection) or ⅔ failure to setup connection. Further testing seems to confirm the problem is bigger and on Google's side. So, this fails: echo 'quit' | nc