Can I use multiple MX records to deliver mail to some addresses to one mail system and other addresses to another (for example, POP mail and third-party Hosted Exchange)?

Published 06/08/2011 01:34 PM   |    Updated 06/08/2011 01:34 PM
Can I use multiple MX records to deliver mail to some addresses to one mail system and other addresses to another (for example, POP mail and third-party Hosted Exchange)?
No, you cannot divide mail delivery on a per-user basis for a single domain name. If you configure multiple MX records pointing to separate independent mail servers then mail delivery will be split between the two servers, with each server always receiving some of the mail addressed to all users at the domain. This will result in each server bouncing mail addressed to users that are only configured on the other server.
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