• Problem with templates

Hello
I have some problems with my templates :

  • When I save a template I have an error : "can't create thumbnail, too long" and I have no thumbnail
  • test email doesn't work
  • accents are transformed with special characters. I need to do and save again
  • short description of the email that appear on some webmail are transformed with special characters
  • a href link disepears

Thanks for your help