I have rt-4.2.12 installed with postfix and fetchmail for outbound and inbound mail all of there work fine. But the two last days postfix stop sending mail .
Notice that postfix was installed with a smtp.gmail.com as a relayhost and when I send a mail I obtain in /var/log/mail.log"connect to smtp.gmail.com[]:587 : Connection timed out" I don't understand what's the problem Please help me