Setup Netscape Navigator - Mac

On the menu bar, click Options and select Mail and News Preferences.
Click the Composition tab.
Set Send and Post to MIME Compliant.

In the Outgoing Mail (SMTP) Server field, type mail.yourdomain.com
In the Incoming Mail (POP) Server field, type mail.yourdomain.com
In the POP3 User ID field, type your email address



Click the Identity tab.
In the Your Name field, type your name.
In the Your Email field, type your email address.
In the Your Reply-to Address field, type your email address again



If you want to have Netscape remember your mail password, click on the Organization tab.
On the bottom left corner of the window put a check in Remember Mail Password.