learn something new everyday...<BR><BR>This was made super easy because of apt4rpm:<BR><BR>get and install postfix and switchmail package:<BR><BR>apt-get install postfix redhat-switchmail ...

I've not looked into either sendmail or postfix for large numbers of users, so I can't answer that for you. However, I am quite sure that pop3/smtp can be achieved in Postfix via "virtual accounts".

Please note that this book is based on is based on Postfix 2.1, later versions of Postfix have new daemons not discussed in the book. This chapter describes how ...