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How to specify host names, IP addresses, and 'Mail From' addresses that must use STARTTLS to send and receive mail in MDaemon

Use this screen to specify hosts, IP addresses, and MAIL FROM addresses that require the use of the STARTTLS extension in order to send or receive mail to or from your server.

From the MDaemon console, follow these steps:

  1. Click Security on the menu bar.
  2. Select Security Manager (Settings)
  3. Expand SSL & TLS
  4. Select STARTTLS List
  5. Enter a host name, IP address, or 'Mail From' address on each line.
    mdaemon starttls list required ssl tls
  6. Click Ok