I have noticed over the last few days that we have had Roadrunner messages in our main e-mail gateway stuck in our queue with the following error: 56FE71501A1C 1695 Fri Jul 30 08:32:19 noreply@nowhere.com (host hrndva-smtpin02.mail.rr.com[71.74.56.244] refused to talk to me: 421 4.7.1 – Connection refused – - Too many concurrent connections from source IP) [...]
Posts Tagged ‘spam’
17 Oct
The Dangers Of Not Paying Attention
This blog post from the Internet Storm Center over at SANS highlights the need to pay attention to the setup of your server systems. We aren’t using this particular blacklist but it still highlights the point. This is why I spend so much time following mailing lists and keeping up with my feed reader. This [...]
