On 11/15/2012 01:18 PM, Andrei Rolando León Salas wrote: > Hi, i send a email to my server but i get > > Technical details of permanent failure: > Google tried to deliver your message, but it was rejected by the recipient > domain. We recommend contacting the other email provider for further > information about the cause of this error. The error that the other server > returned was: 554 554 5.7.1 <postmaster at mercadeoeficaz-cr.com>: Relay > access denied (state 13). > You do not have MYDOMAIN set in main.cf to mercadeoeficaz-cr.com and/or it is not in the host list file. Sending mail needs lines that specify who is allowed to "relay" mail through your server. Setting a "tail -f /var/log/maillog" will also give you much information on what is happening when sending and receiving mail. Postfix is a very complex animal and I would recommend studying the documents at http://www.postfix.com/documentation.html thoroughly. Mike