Own web-based email server?

view full story

http://www.linuxquestions.org – How can one create their own web-based email server, under these constraints: - Emails are stored in a MySQL database - Emails are accessed through PHP scripts - Emails are received from pop servers and sent through smtp servers every 10 minutes acting as if it was an email client to yahoo or hotmail or other pop/smtp servers (HowTos)