Le 27/05/2011 09:40, Kurniawan Junaidy a écrit : > Hi folks, > > I am not able to send email through my postfix server by using any > external ip, but ok from my internal ip. The file says about Relay > Access Denied 554 5.7.1. How to fix this? >
it's already fixed! this prevents your server from becoming an open relay. to send mail to external domains via your postfix server, you need either - send from trusted IP addresses, such as "internal" IPs. this is what mynetworks is for. do not add IPs that you don't control. - authenticate using SASL. check the SASL_README. if you use clear text passwords, then you should also use TLS. see the TLS_README.
