This is an older Tutorial, aimed at users of older email software on desktops and laptops. It does not address web-based email access, nor does it describe email access using smart phones or other mobile devices. There may be more current tutorials, use a search by E-Mail Software name and "setup."
CPCUG email server parameters and suggestions show Here.
Setting up Your E-Mail Software (Shockwave browser plugin may be required). Click on the appropriate hyperlink below.