[Obm] OBM 2.1.10 how to get mail function under Ubuntu server 9.04

[huqinyuan.1989]

hello
I already success  install obm 2.1.10 in Ubuntu server 9.04. When I use it thought browser, I cannot find any function about email. Can anybody tell me  how to get mail function under Ubuntu?
thank you~~
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://list.obm.org/pipermail/obm/attachments/20100223/9171c644/attachment.htm