North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical RE: Hotmail blackholing certain IP ranges ?
Title: Hotmail blackholing certain IP ranges ? Jeroen,
A quick check of those IPs shows that most don't have rDNS records. Make sure the A and PTR records for the mail server match the hostname it is using in the outbound SMTP session.
Hope that helps,
Adam Stasiniewicz From: [email protected] on behalf of Jeroen Wunnink Sent: Wed 4/25/2007 1:22 PM To: [email protected] Subject: Hotmail blackholing certain IP ranges ? Does anyone have a clue why hotmail is appearantly blocking certain IP ranges ?
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