This is telling you that there is a connectivity issue, and MWES cannot talk to the FirstAlert! ( aka Content Filtration System or CFS ).As well as it being exactly what it says, and there are problem...
There are some possible reasons for this. But first, perform a couple of quick tests. Perform these ON the machine MWES is installed on: 1) telnet to the MWES proxy port: telnet [external IP address] ...
MWES only deals with incoming email, so your users will have to change their settings to authenticate when sending email via port 25 or 587. Alternatively, if they are inside the network, or on a comm...
Windows by default blocks all unknown ports. You will need to specifically open ports 4044, 4051 as the System Check won't do this automatically....
Yes, domains not in the list will be ignored so you don't act as an open relay. Email to those any domain not listed will be sent a 'Please try again later' message to the originating server....
Most of the time you can leave these settings blank, and they will bind to all interfaces. Proxy Hostname: This is your primary Machine IP and the one which is currently being used by your MTA on port...
Yes, just follow the guides at: Windows Installation Instructions Linux installation Instructions...
You can get away with a single CPU and 1GB of RAM if your mail server is not too busy, but mail servers like MS Exchange require a lot of resources so increasing the CPU count to 2 or more with 4GB of...