Best VPS Hosting | Website Hosting Pakistan | Domain & Hosting Services [ad_1] Need help to fix Zimbra ERROR zclient IO ERROR? We can help you. As part of our Server Management Services, we help our customers with similar errors regularly. Today, let’s see how our Support Engineers tackle this.   Zimbra ERROR zclient IO ERROR When we get the following error: [] INFO: I/O exception (java.net.ConnectException) caught when processing request: Connection refused [] INFO:…