I prefer Postfix... it has a simple (relative to sendmail) config, a small footprint, it 's very fast and secure. In transferring the accounts, the bigger issue it more likely the client interface. Assuming this is a standard ISP that only supports pop, the questions would be what pop server are you running and how are user accounts maintained? - Herman On Mon, 8 Jul 2002, Scott wrote: ->Hello everyone- -> ->I just started working at an ISP in Pennsylvania and am in the process or ->retiring some old BSD servers in favor of Suse 8.0. I have a few ->questions....... -> ->1)What is everyone using for smtp services these days? We have a very ->hacked together sendmail that keeps me up at night. ->2)Has anyone ever transfered user accounts from FreeBSD to Linux? ->3)Can anyone recommend an email server program that would use MySQL for ->user authentication? This would spare me from having to import the ->accounts or create new accounts for customers. -> ->Thanks in advance. I am impressed so far with 8.0. -> ->-Scott -> -> -> -> ->