Comcast mail contact
Alex_Brotman at comcast.com
Wed May 5 19:32:18 UTC 2021
You can reach out to me privately if you'd like. Typically those are related to DNS being unable to resolve an MX/A/AAAA for your 5321 Mail From domain, but I can take a better look to be sure.
Sr. Engineer, Anti-Abuse & Messaging Policy
> -----Original Message-----
> From: NANOG <nanog-bounces+alex_brotman=comcast.com at nanog.org> On
> Behalf Of Nathanael Cariaga
> Sent: Wednesday, May 5, 2021 2:18 PM
> To: NANOG <nanog at nanog.org>
> Subject: Comcast mail contact
> Anyone from Comcast on this list? would appreciate if you can reach out off the
> list. Have a few concerns regarding Comcast servers intermittently throwing
> 518.104.22.168 -- invalid domain errors.
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