Hello,
Check your identity options if you get a validation failed error message when sending from a horde / imp based webmail system.
Options -> Personal Information
Make sure that all fields including your From: address are typed correctly and do not have any extra characters such as a trailing dot on the end of your email address.
Check your identity options if you get a validation failed error message when sending from a horde / imp based webmail system.
Options -> Personal Information
Make sure that all fields including your From: address are typed correctly and do not have any extra characters such as a trailing dot on the end of your email address.