When you select Custom to setup an email ad in NSP, the form displays fields where you can enter the details required to setup the email account of type POP (Post Office Protocol) or IMAP (Internet Message Access Protocol).
The Custom Account setup form is also similar to the MS Exchange account setup except for:
•Email Type: A dropdown containing POP3 (Port 110), Secure POP3 (Port 995), IMAP (Port 143) and Secure IMAP (Port 993).
•Send Type: A dropdown containing SMTP (Port 25), Secure SMTP (Port 465) and SMTP with TLS (Port 587).
•Reply to address:
•Anonymous: if your server is using anonymous login, you need to mark this option