Hi there.
I want to test this Forum for possible problem solving...
Here is my current situation:
I have 2
dedicated servers, both use Plesk and are mirrored. One of the domains hosted on both servers has an email address, for the benefit of this post, let's say "mail@example.com". This email address on both servers redirects emails to a gmail.com addy (using the Plesk redirect system).
I am trying to operate a failover email system to enable emails to still be delivered, to that end I have altered the DNS MX records like this:
MX 10 {first email server IP}
MX 11 {second email server IP}
In theory, this system redirects the emails to the second server if the first one is not accepting emails.
To test this, I sent an email with both server accepting emails. As expected. the email got sent and delivered. However if I turn the 1st domain off using Plesk on the MX10 preferred mail server, I get a bounce with a "553 sorry, that domain isn't in my list of allowed rcpthosts"
I read on some other Forums that it could be due to DNS propagation not being complete, however it's been over 24h now and I wonder...
Any of you got some input
Many thanks