A good software for your email marketing business

Recently I am trying to find a software for email marketing,i found some of them,some one is ok,and some one are really stuff,i remember there is a software,which name is Best bulk email software,i think it is a better one,the interface like Foxmail,and it is very easy to use,and there is a free version on internet now.I don't know whether you like it,just have a try.