My mistake, we've been listed by Spamhaus in the past- this time only att.net.
At least that was the case until this morning. "554 5.5.4 Relaying denied. IP name lookup failed... This system will not accept messages from servers/devices with no reverse DNS..." Comcast, aol, nctc, among others are all rejecting emails.
I'm told they're "checking this". If this clears up will verify our status with att.net. Does little to improve the growing lack of confidence in our host.
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