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From: Ray Corbin <rcorbin@traffiq.com> To: "Erik (Caneris)" <erik_list@caneris.com>, Joe Abley <jabley@hopcount.ca>, Micheal Patterson <micheal@spmedicalgroup.com> Date: Wed, 25 Feb 2009 08:36:12 -0600 In-Reply-To: <E00B9EBD1532EF4EABA3C51B190BA6150358A582D526@klsapp1.klssys.com> Cc: "nanog@nanog.org" <nanog@nanog.org> Errors-To: nanog-bounces@nanog.org On hotmail's defense at least their support contacts will respond to your e= mails. It may take a few rounds of proving that they are 'blackholing' your= email and them saying 'no were not'..but after a few times of that you kno= w exactly what to say when submitting a ticket to them (ie I sent this emai= l to your testing account at xx:xx pm, I cc'ed my address xxx@hotmail.com a= nd it wasn't received and here are the logs showing your servers accepted t= he email.).=20 -r -----Original Message----- From: Erik (Caneris) [mailto:erik_list@caneris.com]=20 Sent: Tuesday, February 24, 2009 10:11 PM To: Joe Abley; Micheal Patterson Cc: nanog@nanog.org Subject: RE: Yahoo and their mail filters.. Ditto. They appear to use some strange form of greylisting combined with bl= ocking. What seems to help is SPF and PTRs that match the EHLO your MTAs wi= ll send. We didn't implement Domain Keys / DKIM.=20 On a related note, don't get me started on Hotmail. They used to (still do?= ) silently swallow mail into a black hole after accepting it. No NDR, no sp= am folder, just good ol' mail shredding without anyone knowing. Again, SPF = and PTRs seem to help.=20 Oh yeah, make sure you're not sending spam to them. That might help too. ;) Erik ________________________________________ From: Joe Abley [jabley@hopcount.ca] Sent: Tuesday, February 24, 2009 9:41 PM To: Micheal Patterson Cc: nanog@nanog.org Subject: Re: Yahoo and their mail filters.. On 24 Feb 2009, at 21:27, Micheal Patterson wrote: > This may be old news, but I've not been in the list for quite some > time. At any rate, is anyone else having issues with Yahoo > blocking / deferring legitimate emails? Yes. Everybody else. Joe
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