A week or so ago, I discovered after 7 years that my mail server
(running Zimbra 8) was an open relay. :-}
I tightened it up after about 4 hours, and checked a couple RBL checkers,
(MXtoolbox and anti-abuse) and there were only 3 hits for the IP, and I
requested clearance on them, and got it, a
Jay, the next step here would be for you to fill out a remediation
(unblock) request with Microsoft OLC (Hotmail).
The form to do that can be found here;
https://go.microsoft.com/fwlink/?LinkID=614866
Sometimes it takes them a few days to respond.
First response will be automatic and just basical
R. Ashworth via mailop
Sent: Wednesday, May 27, 2020 7:26 PM
To: mailop@mailop.org
Subject: [EXTERNAL] [mailop] Problem delivering to protection.outlook.com
A week or so ago, I discovered after 7 years that my mail server (running
Zimbra 8) was an open relay. :-}
I tightened it up after ab
