@sunday9pm - Glad you found something that looks like it may work. The reason I found your post is that may Mac Laptop was not connecting to IMAP. All other network functions were working (e.g. web...

@sunday9pm - I don't have a clear answer to your problem, but have some info for you. > It's connected via ethernet to our old TPG supplied HUAWEI modem router HG659 > I'm not sure what NAT does or...