I’d like to assist here. Do you have access to Ethervision. The customer portal is the most efficient way to initiate and track NOC tickets. OR Try calling: USA Toll Free: +1 877-385-5252, +1 800-583-1388. If you still have trouble, please reach me directly and I’ll get you to the right folks… Rob Wcislo VP, Sales office: +1(908)516-4211 www.gtt.net<http://www.gtt.net/> [GTT_Logo_RGB_Blue] Video Overview: https://vimeo.com/257739650 From: NANOG <nanog-bounces@nanog.org> On Behalf Of Matt Harris Sent: Tuesday, December 10, 2019 9:58 AM To: Bottiger <bottiger10@gmail.com> Cc: North American Network Operators' Group <nanog@nanog.org> Subject: Re: Is anyone able to contact GTT? On Tue, Dec 10, 2019 at 8:51 AM Bottiger <bottiger10@gmail.com<mailto:bottiger10@gmail.com>> wrote: I sent an email to noc at gtt.net<http://gtt.net> from 2 different emails and both got a reply saying: 5.1.0 - Unknown address error 550-'5.4.1 Recipient address rejected: Access denied [HE1EUR01FT058.eop-EUR01.prod.protection.outlook.com<http://HE1EUR01FT058.eop-EUR01.prod.protection.outlook.com>]' Not sure if this means if they are blocking my email or if their email is broken. Are you a GTT customer? If so, then I suspect the email you're looking for is inoc@ not noc@ ? The response indicates that the recipient address was rejected, not the sender address and I've always used inoc to contact them about my transit circuits.