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Originally Posted by jefft@iri.columbia.edu  If it can't resolve the DNS records (even if only momentarily), will that cause it to stay disconnected? I am starting to think that this may be the problem. |
It's quite possible. Is this happening on a regular basis? What happens when this problem occurs, are you able to ssh into the Zimbra server? If you can do that try and see if DNS resolution is still working.