Tranfers mail between a MAPI Postoffice(MS Workgroup PO) and the Internet. All you need in on Internet account to transfer the mail for an entire network. IMA automatically connects to your internet post office via dialup networking at times you specify, then sends and receives mail for everyone on your network. Each person on you LAN only needs an internet mailbox alias to be on the internet. IMA can also get mail from Multiple Internet mail servers. IMA must run on a Windows 95 system but may send and receive mail for any client(Win for WG,Win NT, etc.) on a Microsoft exchange post office. You only have to configure the unit running IMA, others PCs on the network will work as normal. Requires internet mail account.