Enabling MDaemon's IMAP protocol to support IMAP Compress to decrease bandwidth usage

MDaemon's IMAP server in versions 13 and above now support the IMAP COMPRESS and BINARY extensions.  The COMPRESS extension compresses all data sent to and from the client.  This does require extra memory and CPU usage per IMAP session and can be disabled to trouble shoot issues.

To enable/disable COMPRESS extension:

  1. Select Setup
  2. Select Server Settings
  3. Select Servers
  4. Check/uncheck IMAP server supports COMPRESS command
  5. Click OK