Firewall: NAT: Port ForwardEdit Redirect entryDisabled uncheckedNo RDR (NOT) unchecked Interface WANTCP/IP Version IPv4Protocol TCP Source anySource port range from any to anyDestination / Invert uncheckedDestination Single host or Network 74.6.235.14 30Destination port range from: IMAP/S to: IMAP/SRedirect target IP Single host or Network 192.168.1.3Redirect target port IMAP/SPool Options: DefaultLog uncheckedDescription My descriptionSet local tag <blank>Match local tag <blank>No XMLRPC Sync uncheckedNAT reflection Use system defaultFilter rule association None
Try changing your Destination to WAN address.
I should have asked you if you have multiple WAN IP's like I have?