mail.mydomain.com running zimbra 7 OS,
mail2.mydomain.com running zimbra 8 NE,
I want to switch my mailing accounts to NE after few days , but still we want to give user access to both servers to reach their new emails.
i want if someone sent email to email@example.com mail & mail1 servers receive the email , so user1@mydomain will login from any of our server can have his/her latest emails.
firstname.lastname@example.org -> mail.mydomain.com
email@example.com -> mail2.mydomain.com
My Mx records are .
mail.mydomian.com -> MX:10 :
mail2.maydomain.com ->MX:20 :
As in above MX records only new emails are recived by mail.mydomain.com .As its Higher priority "10" . What priority i need to change that email go to both servers.
Thanks and waiting