Hello everybody,
I have a domain where I set the DNS to point to the A record for the IP of my VPS and the record MX point to another server. What happens is that I installed postfix to send mail through PHP, but when I send a message to an email from this domain it will not for the server that is configured in the DNS MX record. If I place the domain in the settings of mydestination in the postfix config file, email is going to /var/mail, if I take away the domain of settings file it just does not do anything.
Someone can help me?
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Try to use “relayhost” directive in main.cf. If the IP of the mail server configured in MX is 1.2.3.4, then then it should look like this
relayhost = 1.2.3.4
On the mail server you have to allow relay from the source server, this is done through “mynetworks” directive Just find the configuration directive and add your source IP, so if the source IP is 5.6.7.8, then
mynetworks = 127.0.0.0/8
change to
mynetworks = 127.0.0.0/8 5.6.7.8
There might be more entries on that line already, so just add it at the end of line Restart postfix on both servers and it should work
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