In the screen capture below we have all of the neccessary settings in one compact screen.

Should there be questions that are not answered here, a link to the instructions for Thunderbird is here.

GLOBAL SETTINGS

E-mail address must be the full e-mail address you are configuring.

Password must be the value assigned to the e-mail address you are configuring.

INCOMING SETTINGS

• As mentioned elsewhere, for desktop mail, we ask that you consider using POP so that your mail will download, become stored locally, and then removed from the server in order to preserve disk space within your hosting account quota.
  
  
• Server must be the mail server name associated with the server on which your account is hosted. Please refer to this page to determine which server name to use here.
  
  
• Port number for a secure POP account is 995.
  
  
• The SSL dropdown contains options for "SSL/TLS" and "STARTTLS", either of which may be used. Other options appear, but these are the best choices.
  
  
• The Authentication dropdown contains options for "Normal Password", "Encrypted Password", and others. "Encrypted" should be used.
  
  

OUTGOING SETTINGS

• Server must be the mail server name associated with the server on which your account is hosted. Please refer to this page to determine which server name to use here.
  
  
• Port number for secure SMTP is 465.
  
  
• The SSL dropdown contains options for "SSL/TLS" and "STARTTLS", either of which may be used. Other options appear, but these are the best choices.
  
  
• The Authentication dropdown contains options for "Normal Password", "Encrypted Password", and others. "Encrypted" may be used but is not mandatory.