SORBS – back soon

If you’ve tried to get an address delisted from SORBS this week you’ll have found that their site is degraded, and there’s no way to request delisting.
They’ve been dealing with some very nasty database / hardware problems and while they’re fixing those the externally visible SORBS services are running in a read-only mode (where the list is published, but IP addresses can’t be added or removed).
The migration to new infrastructure is going well, and unless something unexpected happens I’d guess they’ll be running normally some time tomorrow.

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Blocklist changes

Late last year we wrote about the many problems with SORBS. One of the results of that series of posts was a discussion between a lot of industry professionals and GFI executives. A number of problems were identified with SORBS, some that we didn’t mention on the blog. There was an open and free discussion about solutions.
A few months ago, there were a bunch of rumors that GFI had divested themselves from SORBS. There were also rumors that SORBS was purchased by Proofpoint. Based on publicly available information many of us suspected that GFI was no longer involved in SORBS. Yet other information suggested that Proofpoint may truly have been the purchaser.
This week those rumors were confirmed.

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GFI/SORBS – should I use them?

Act 1 • Act 2 • Intermezzo • Act 3 • Act 4 • Act 5
Management Summary, Redistributable Documents and Links
In the past week we’ve demonstrated that the SORBS reputation data is riddled with mistakes, poor practices, security holes and operational problems, and that the quality of the end result is really too poor to be useful.
Today I’m looking at how this information should affect your choice of spam filtering technology.

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Office cat says

All work and no cat petting makes for a very cranky, and in the way, cat.

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