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As I understand your problem, you have currently one or more incoming MX:es. When a server outside of your system connects to those MX:es, and the email it's trying to send contains either a From:-header, or an envelope sender, within your domain - then your MX server don't accept it. UUCP is one way, yes, and I've actually seen it used over TCP/IP, but ...


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You obviously don't have one assigned to your box directly but there's one likely mapped on a firewall in front of your server directing traffic to it (NAT). In the web control panel from your hosting provider there'll likely be a firewall control panel element where rules can be configured. Background info - Network Address Translation (NAT) ...


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If I'm understanding your question correctly, the answer is no: you cannot pool resources across multiple host servers into a single VM. A VM has only one host, though any given host can have multiple VMs. If you're trying to just pool the resources so that you can adjust and tweak the usage of multiple VMs per host, then yes, you're thinking correctly. ...


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Is a computer really drifting more than a second in a single day? I can barely imagine that. Yes, some do. Especially in virtualized environments. Running inside a virtual Machine (as it is the case on Azure) invalidates some fundamental assumptions that are used to keep time, making it even more difficult than on physical hardware. A modern computer is ...


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It was just as I feared. euca_conf --initialize will generate the initial cert files, and registering the other services should generate the rest



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