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Date: Thu, 3 Apr 2008 14:43:47 +0530 From: "Suresh Ramasubramanian" <ops.lists@gmail.com> To: "Jason J. W. Williams" <williamsjj@digitar.com> Cc: nanog@merit.edu In-Reply-To: <D7D0907E265A834D995B9B4FC0078D4E555A@aristotle.boi.corp.us.digitar.com> Errors-To: owner-nanog@merit.edu On Thu, Apr 3, 2008 at 3:00 AM, Jason J. W. Williams <williamsjj@digitar.com> wrote: > Does anyone have a good contact number for the Hotmail NOC? We've got > e-mails from Hotmail to some of our customers being returned the Hotmail > sender with a 554 error message fairly regularly. Our logs aren't showing > any rejections, so we need to talk to Hotmail and find out what the 554 > means on their side (there's no error description). Any help is greatly > appreciated. Easier if you paste a sample bounce And check if you have some kind of smtp capable firewall device (like a barracuda) or maybe an outsourced filtering provider that's filtering this lot before it reaches your mailserver. srs
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