Introduction

These steps configure Thunderbird so that you can access your email from outside the UCAR security perimeter without the use of VPN.
  1. Launch Thunderbird email
  2. Go to Tools/Account settings
  3. Highlight Server settings and change:
    • the server to securemail.acd.ucar.edu
    • the port to 993
    • the security settings to SSL
    • the Use secure authentication box to be unchecked
    .
  4. Highlight Outgoing Server (SSL), highlight the outgoing server and and click Edit/b>
    • Enter "ndir.ucar.edu" as the Server Name
    • Leave the Port set to "25"
    • Under "Security and Authentication", click Use name and password
    • Under "Use secure connection" select TLS
  5. Click OK and then on Inbox to check for new email. Authenticate as always with your CIT username and password. For this first time, you may have to accept a security certificate. If so, click "Accept this certificate permanently".
  6. Try to send an outbound email. For this first time, you may have to accept a security certificate. To authenticate, you'll need your UCAS username and password

Which Password again?

  • When prompted for "securemail" use your CIT username/password (inbound email)
  • When prompted for "ndir.ucar.edu" use your UCAS username/password (oubound email)

Summary

1. Set Incoming Mail Server to:

securemail.acd.ucar.edu

2. Select SSL based authentication (port 993)

3. Check mail and Accept Certificate when prompted

4. Authenticate with CIT/Windows username/password

 

Using NCAR'S TLS Enabled SMTP Server to Send Mail When Outside the Firewall:

1. Set Outgoing Mail Server to:

ndir.ucar.edu

2. Select TLS based authentication (Port 25)

3. Send mail and Accept Certificate when prompted

4. Authenticate with UCAS/Timecard/Gatekeeper username/password

 

If you have any problems with this setup, don't hesitate to contact us via "sysadmin at acd.ucar.edu".