This article goes over setting up TLS for SmarterMail. The server must have a SmarterMail Enterprise License in order to use this feature. This article applies only to Cloud and Dedicated Servers.
- Log into the server via Remote Desktop. If you are unsure of how to do this, please see Connecting to a Server via Remote Desktop.
- Open Internet Information Services (IIS). Find the SSL that will be used to set up TLS and export it to a PFX file.
- Next, log into SmarterMail as the server administrator. This is typically http://127.0.0.1:9998 orhttp://mail.yourdomain.com depending on the server configuration.
- Within SmarterMail admin, navigate to Security > SSL and choose Add SSL. Enter in the following information:
- IP Address: IP of the site in IIS under the SmarterMail site
- SMTP: 25
- POP: 110
- IMAP 143
- Type: TLS
- Certificate Path: the path to the PFX file generated
- Now you can test the setup of TLS. Open a command prompt and type the following: telnet mail.yourdomain.com 25 (where yourdomain.com is a domain on the server)
- The test will reply with the server name and look similar to the following:Trying <xx.xx.xx.xx>
Connected to mail.yourdomain.com
- At the prompt, type ehlo and a response similar to the following will show:250-mail.yourdomain.com Hello [xx.xx.xx.xx]
250-AUTH LOGIN CRAM-MD5
- If you see the line about STARTTLS, TLS is setup correctly for the domain.