Month: July 2015
-
Hardening Postfix
Last Updated on 2022-07-08 by Joop Beris While there are plenty of good (and not so good) anti-spam solutions available, most of them cost a bit of money in terms of purchasing and licensing fees. Even without a dedicated appliance, there are several ways you can harden the Postfix MTA against spam and other internet…
-
Require TLS for certain domains in Postfix
Last Updated on 2022-07-08 by Joop Beris Recently, I was asked if it was possible to require Transport Layer Security (TLS) for sending email for certain domains, through a specific relay. For added complexity, the list of domains would need to be updated daily. Of course it’s possible, I said. And yes, Postfix is up…
-
Skies have cleared
Last Updated on 2022-07-08 by Joop Beris It appears that we’re being spared any extreme weather here in the area. The evening skies are beginning to clear. Which is good.
-
I promise I’m working on a new post…
Last Updated on 2022-07-08 by Joop Beris But not right now because it’s just way too hot to think.
-
Discovery: Fish live beneath Antarctica
Last Updated on 2022-07-08 by Joop Beris Scientists find translucent fish in a wedge of water hidden under 740 meters of ice, 850 kilometers from sunlight Source: Discovery: Fish Live beneath Antarctica An absolutely astonishing find from the web edition of Scientific American. In what has to be one of the most remote and extreme…
-
Why I’m Not A Christian | Tim Stepping Out
Last Updated on 2022-07-08 by Joop Beris I love reading about other people who have gone through a process of careful consideration, doubt, reasoning and then ultimately arrive at the conclusion that religion is inconsistent and therefore unbelievable. This is a long but well-reasoned post exploring the many inconsistencies in the Christian faith. Well worth…