Below are the general settings for setting up email:
HOST NAME: Go to DNS Propagation Checker - Global DNS Testing Tool and enter your domain name and select MX from the drop-down to get this.
for POP:
PORT: 110 with no SSL, 995 with SSL
for IMAP:
PORT: 143 with no SSL, 993 with SSL
for SMTP:
PORT: 587 with no SSL, 465 with SSL
USERNAME: Full email address
PASSWORD: password for above email
AUTHENTICATION TYPE: Password
In any field where it shows username or password use the above credentials, these fields are not optional despite what your preferred email client may say.
