I am running a RaQ3 server for our company email. Suddenly, none of our users can receive their mail. I contacted our service provider and they tested their side and reported that they received an error message referencing "the senders domain name can not be verified." They said we have a DNS validation problem. I am sure that no changes have been made on our side. One of our users received mail on Friday and it was brought to my attention on Tuesday morning. The server has been running for 2 months with no problems until now. I have tried re-starting the server several times and have noted that the web-based admin program says the email service has been running ok for several weeks. I thought that to be strange.
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