(FAQ) MDaemon 13.5.x: How can I prevent duplicate messages when using POP?

Users are receiving duplicate messages. How can I stop this?

If your users are retrieving their email via POP, try the following: 

  1. Click on Setup
  2. Click on Server Settings 
  3. Click Servers
  4. Locate the section labeled POP3 / IMAP servers...
  5. Check the box ...POP server deletes mail on DELE command
  6. Click the OK button.