Update 2010-08-07: Several updates of note pulled from the comments.
- The main site and Andy are back, see the last few comments for more info.
- Downloads of 2.0.5.7 are available, see the 2010-04-08 update at the end of this post.
- Updates beyond 2.0.5.7 are not currently available, but people are working on it.
- Most discussion should probably be moving to the ESVA Interim Forums at http://rbe1.de/ESVA
- There is a semi-commercial fork of the project at ESVA.Libra.IT, there has been some controversy over it but the developers of that project are also involved in the discussions and further project work at the forums. It also has its own forum.
Update 2010-04-12: The problem is being worked on; read for details.
Just a note because I’ve been seeing searches hit my site looking for information on this.
The Email Security Virtual Appliance (ESVA) website is down, I do not have any information on why but it doesn’t appear to be a domain registration or DNS issue – it’s something on the hosting side. I’ve been unsuccessful in contacting the creator/maintainer of ESVA, but I wasn’t corresponding with him before so I don’t have a known-good email address – just two old ones that may not still be in use. He does travel for business and has disappeared from the ‘net in the past while doing so, so everything may be restored at any time if he’s simply out of contact.
Continue reading ESVA Website (global-domination.org) Down, 2010-March, Back 2010-July
Frequently when troubleshooting or cleaning PCs (ah, the joys of small business IT) it’s useful to have a bundle of tools that you can use. I generally use multiboot antivirus CDs created with Shardana Antivirus Rescue Disc Utility (SARDU) with additional utilities put in the Extras directory, but sometimes it’s hard to beat the convenience of a USB flash drive. Unfortunately very few flash drives still have the hardware write protect switch that was common years ago.
Here’s a listing of drives that still include that hardware write protection, along with some other options that might work though not as well. This listing is based on reports from several discussion boards in 2009-2010 as well as a list prepared and maintained by c’t Magazine (German) (or via Google Translate). Where available I provide links to the manufacturers and possibly to stores where the drives are available. Please comment with any corrections or additional drives to be added to the list.
Continue reading List of USB Flash Drives with Hardware Write Protection Switch
We had a problem last weekend with Postfix not accepting email for a single domain when it was coming from outside our network, while messages from hosts on the local network were accepted and routed with no problems. Messages from outside the network were rejected with a 450 (temporary) code and the error message “Recipient address rejected: Domain not found”. The cause did end up being a DNS problem (apparently the most common kind of issue with Postfix), but not one that I would have expected (a missing host entry for the top-level domain, so example.com wouldn’t resolve even though mail.example.com did). Finding the source of the problem was complicated because of a set of several changes during a weekend maintenance window.
Continue reading (Fix) Postfix: Recipient address rejected: Domain not found
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