[IMail Forum] problems checking mail

[Jason Wilson]

i had asked a similar question recently, but now that i have more info, i shall ask again.   we have been running an imail server (7.07) here for at least a year. i was not the person who set it up, but am now in charge of maintaining it.   apparently, users have never been able to check their mail from anywhere outside of our LAN.   the clients have to be configured using the internal IP for the imail server as pop and smtp.   nor can i visit imail.server.com:8383 to check via the web outside of the LAN.   if i ping the hostname, it resolves to the external IP for both hostnames on the server (one is virtual).   i have a feeling that this may have something to do with a port not being opened on our router or something related to that, but it seems odd that the hostname resolves when pinged.   port 8383 appears to be open and is mapped to the imail server.   we have a DSL connection with a static IP.   any ideas?