When you send an email, the following error can occur:

Cannot send message using the server


  • You are using Apple Mail on your Mac
  • You cannot send emails
  • Receiving emails works fine.


  • Incorrect SMTP settings
  • Your ISP is blocking emails from being sent via port 25


Check your Outgoing SMTP settings in Apple Mail using the steps below:

  1. Click Edit SMTP Server List
  2. Select your Ecenica email SMTP from the list
  3. Check Server Name is set to or for SSL email, your Ecenica package’s server name.
  4. Click Advanced
  5. Uncheck Automatically detect and maintain account settings
  6. Set port to 465 and check Use SSL
  7. Set Authentication to Password
  8. Set User Name as your email address. For example,
  9. Set Password as your mailbox password.
  10. Click OK
  11. Close the Accounts window.
  12. Click Try with selected server