FS-16: improving email configuration.

Author: rkrysinski

furms-devops-tooling/files/config_templates/4.0/unity/conf/mail.properties

@@ -13,8 +13,8 @@ mail.smtp.host={{unity.mail.smtp.host if unity.mail.smtp.host is defined else 'l
 # so add SMTP server's CA certificate to it. Otherwise you can turn off the server's certificate verification
 # below, but you expose yourself for the MITM attacks. 
 # Defaults to false.
-#mail.smtp.starttls.enable=true
-mail.smtp.ssl.enable=true
+mail.smtp.starttls.enable={{unity.mail.smtp.starttls if unity.mail.smtp.starttls is defined else true}}
+mail.smtp.ssl.enable={{unity.mail.smtp.ssl if unity.mail.smtp.ssl is defined else false}}
 
 # Relevant only if starttls is enabled. Turns off SMTP server certificate verification.
 mailx.smtp.trustAll=true
@@ -24,7 +24,7 @@ mailx.smtp.trustAll=true
 #mail.smtp.from=
 
 # If true, attempt to authenticate the user using the AUTH command. Defaults to false.
-mail.smtp.auth=true
+mail.smtp.auth={{unity.mail.smtp.username is defined}}
 
 # User and password used when authentication is enabled above.
 mailx.smtp.auth.username={{unity.mail.smtp.username if unity.mail.smtp.username is defined else 'XX'}}