SPF
To authorize Hostmonster to send emails on your behalf you will have to include it in your SPF record. The SPF record mechanism used for Hostmonster is shown below.
include:hostmonster.com
For more information please click on the button below.
DKIM
For more information on setting up DKIM signing for Hostmonster please contact their support team.
Create a free OnDMARC account to test your configuration.