Hello I am trying to setup my own mail server with apache2,postxif and dovecot. But i use sguirreMail and want to send mail outside ( to my gmail account) and get this error: http://pastebin.com/hUSyF1rR I dont know where i must look at this problem. I have setup apache2, postfix (its runing) and dovecot (i hope settings are good). Please if you need any other info i can provide it for you. Thank you again.