Microsoft Outlook 2007
- Go to “Tools” and then “Account Settings.”
- Select your email account and click “Change.”
- Click on “More Settings.”
- Select the “Advanced Tab”:
- If the SMTP Server port is 25 and the encryption type listed is “None”, contact your Mail administrator for an alternate port that uses encryption.
Mozilla Thunderbird
- Go to “Tools” and “Account Settings.”
- Click on “Outgoing Server (SMTP)”:
- If the port listed is 25‚ and Secure Connection is listed as “None”, contact your Mail administrator for an alternate port that uses encryption.