About 1st Up Mail Server, This e-mail server is designed for small to medium-sized business networks. It includes anti-virus support, anti-spam mechanisms, unlimited domains, remote administration, multiple mail box collection, address aliasing, flexible scheduling, attachment removal, mailing lists and routing filters. It also includes e-mail reminders, mail scanning, filtering functions and auto-response systems. It hasa small resource footprint allowing it to run on relatively low specification machines.