Pegasus Mail & Mercury

Can't connect to 213.180.114.52 on port 25: Timed out   Firewall?  TCP port 25 incoming needs to be opened.  Check your router.  Check your software firewall configuration.  In the Windows firewall, allow mercury.exe.   Tip: if you only have one mail server, it is easy to do away with a large volume of ...

Greenman:   I don't understand how Mercury was able to accept the mail from 61.145.143.171 when it is outside the allowed range of IP addresses. Am I missing something here? Is there any further configuration I need to carry out to ensure that Mercury only accepts SMTP connections from the allowed ranges?   It's not clear ...