Hello I have a question.

I am going to start in production environment a bunch of 3 mail servers for my domain, let'say mydomain.com

I need to install a X509 certificate on each server in a way that upon x509 authentication thunderbird or whatever MUA won't complain about hostname different from certificate subject name of the mail server, and I also need round robin feature to have SMTP traffic load balanced between different SMTP servers.


what is the best option ?

option 1:

                IN      MX      10 mx.mydomain.com
                IN      MX      10 mx2.mydomain.com
                IN      MX      10 mx3.mydomain.com
;
;
mx.mydomain.com.        IN      A       10.10.10.25
m1.mydomain.com.        IN      A       10.10.10.26
m2.mydomain.com.        IN      A       10.10.10.27




option 2:


                IN      MX      10 mx.mydomain.com


mx.mydomain.com.        IN      A       10.10.10.25
                        IN      A       10.10.10.26
                        IN      A       10.10.10.27
mx1.mydomain.com.       IN      A       10.10.10.26
mx2.mydomain.com.       IN      A       10.10.10.27



are both option correct and have the same effect ?

thank you

Rick





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