Powering a Fairer Internet with IPv6 - Wido den Hollander, CTO of Your.Online
...connections. The same happens to your Windows laptop or your Mac laptop. It, it just blocks any incoming connections on the firewall on the host. [00:11:46] Ken Simpson: I must...
Palinurus – A Helm chart conversion tool
...apps/v1 kind: Deployment metadata: name: nginx labels: app: nginx spec: replicas: 1 selector: matchLabels: app: nginx template: metadata: labels: app: nginx spec: containers: - name: nginx image: nginx:1.7.9 ports: -...
Post #10 on Why Spam Filters Suck "trickle blog" series
...One customer dealt with 100 connections at a time, but after traffic shaping, now sees upward of 1000 concurrent connections. This ten-fold increase in number of connections utterly destroys most...
Why Traffic-Shaping Uses Less Resources, Not More
What happens when you start slowing down inbound SMTP connections? The assumption is often that the number of connections will go up (a lot) and that the increased connection load...
Is Postfix Anvil(8) as good as it gets for spam DDoS protection?
...multiplexing, increasing the capacity of Postfix to handle 100,000 or more concurrent connections, while eliminating botnet connections with 99.6% effectiveness. Method of Operation Receives connection statistics from Postfix, which are...
Comparing Spamhaus with Proactive Connection Throttling
...our customer sites from 2010-02-01 to 2010-04-08. Connections from 28,204,693 distinct IPs were analysed during this time. All of the connections analysed were checked against Spamhaus’ Zen RBL at the...
Does Sendmail Throttle To Reduce Spam?
...up it can handle thousands of concurrent connections and legitimate connections are given a fast track to the MTA since they have a good reputation. In the case of Sendmail,...
When "Reputation Filtering" Fails, How to Deal with "the Unknown"
...MailChannels’ flavor of slowing down is called traffic shaping. Traffic shaping restricts the bandwidth available to connections from “the unknown” by altering the characteristics of the TCP connection and slowing...
MailChannels Service Disruption: All The Gory Details
...SMTP connections were being handled by that worker. For performance reasons, our SMTP proxy uses an asynchronous IO architecture that can handle thousands of SMTP connections per worker process with...
Update: How well do large senders do at delivering email?
...turns out that many large senders do very well at having messages accepted once their SMTP connections reach the DATA phase; however, they have very different rates of acceptance at...
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