I am running 2 servers, one being the mail server for multiple domains.
I had some downtime on the email server due to network problems.
It seems that some mail did not arrive to my users.
So how can I spool the mails on the other server while the mail server is down, to guarantee no mail is lost?
Note that I don't want to create all the email accounts on the other server.
Is adding a secondary MX record enough?
Thanks for your replies ;-)