There is no email validation in server configuration->email log

Email validation is not done for Emails in Server Configuration -> Email log section.

Steps to Reproduce:

• Login to Zanata using admin.
• Click on admin from left panel.
• Click on server configuration.
• Go down to the Email log section.
• Click on "Enabled" check box.
• you will see the Emails field.
• Enter any string or number in email field.

Actual Results:

• Email validation is not implemented for emails field.

Expected Result:

• There should be an email validation done for emails.

Note:

• Attached screen captured for more ref.