New answers tagged gmail
If the second server is only outbound for applications, and Google Mail is for inbound and outbound (i.e. normal usage by users), then there is no need to touch the MX record. Just add the IP of the second server to a SPF Record, which requires access at the DNS level of your domain. There are several wizards online to assist you in the syntax. ...
Since CentOS 6.6, SELinux policies that applied to Apache are now also applied to nginx and php-fpm in the same way. Thus you need to use the right SELinux boolean to allow the web server to send mail. setsebool -P httpd_can_sendmail 1
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