The Barracuda twitter account has been very helpful and responsive to the issue. A few hours ago they tweeted that the problem should have been fixed.
Reports are that listings are resolving and things are getting back to normal. Folks are getting responses to emails to the address provided by Barracuda.
250OK confirms that they’ve seen more than 50% of the Barracuda listings drop off:
A number of folks are talking about a significant uptick in Barracuda IP blocks over the last few days. These blocks appear to be affecting wide ranges of IPs across multiple networks.
Read MoreMany questions about delivery problems often assume that there is one standard email filter and the rules are the same across all of them. Unfortunately, this isn’t really the case.
Read MoreMuch of the equipment and wires that the internet runs on is privately owned, nor is it a public utility in the traditional sense. The owners of the property have a lot of leeway to do what they like with that property. Yes, there are standards, but the standards are about interoperability. They describe things you have to do in order to exchange traffic with other entities. They do not dictate internal policies or processes.
Read More