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:
Many 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 MoreA few years ago reputation was generally recognised as one thing. If a sending reputation or IP reputation was good in one place it was likely good in other places. Different entities mostly reputation using the same set of signals albeit slightly tweaked to meet their own needs. More recently there is a divergence in how reputation is measured, meaning delivery can be vastly different across entities.
Read MoreA 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.
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